General Science - Physics (Questions and Answers) Chapter -02
131. Fermionic condensates are......th form of matter(a) 8 (b) 7
(c) 6 (d) 5
Answer: (c)
132. A radar that detects the presence of an enemy aircraft uses:
(a) Sound waves
(b) Radio waves
(c) Electric waves
(d) Ultrasonic waves
Answer: (b)
133. Insulators are substances with:
(a) Free electrons
(b) Bound electrons
(c) (A) & (B)
(d) None of the above
Answer: (b)
134. The rays which cause sunburn are:
(a) Ultraviolet
(b) Infrared
(c) Visible light
(d) Cosmic rays
Answer: (a)
135. Sound does not pass through:
(a) Solid
(b) Liquid
(c) Vacuum
(d) None of these
Answer: (c)
136. Which is Ramanujan number
(a) 1279
(b) 1729
(c) 1927
(d) 1972
Answer: (b)
137. The smallest unit in computer memory:
(a) Byte
(b) Bit
(c) Megabyte
(d) Gigabyte
Answer: (b)
138. The force between different type of molecules:
(a) Conjugation
(b) Immersion
(c) Adhesion
(d) Repulsion
Answer: (c)
139. Spectacles used for viewing 3-dimensional films have:,
(a) Convex lens
(b) Bifocal lens
(c) Concave lens
(d) Polaroids
Answer: (b)
140. Fog heavily laden with smoke is:
(a) Sleet
(b) Glare
(c) Smog
(d) Dew
141. The phenomenon of splitting of light into its constituents:
(a) Diffraction (b) Interference
(c) Refraction (d) Dispersion
Answer: (d)
142. Which light has the longest wavelength?
(a) Violet (b) Green
(c) Blue (d) Red
Answer: (d)
143. Which light has the shortest wavelength?
(a) Blue (b) Violet
(c) Red (d) Yellow
Answer: (b)
144. The surface that absorbs all the colours in the spectrum will be seen as:
(a) White (b) Black
(c) Violet (d) Red
Answer: (b)
145. The surface that reflects all the colours in the spectrum will be seen as:
(a) Red (b) Yellow
(c) White (d) Black
Answer: (c)
146. What is the colour of light used in automobiles during snowfall?
(a) Red (b) Green
(c) Blue (d) Yellow
Answer: (d)
147. A red flower in blue light will be seen as:
(a) Black (b) Red
(c) Blue (d) Violet
Answer: (a)
148. The speed of light is ...... km/s
(a) 3 million (b) 3 lakh
(c) 3 crore (d) 30 million
Answer: (b)
149. In the equation, E=MC2, ‘C’ stands for:
(a) Velocity of sound (b) Acceleration due to gravity
(c) Velocity of light (d) Refractive index
Answer: (c)
150. Particles faster than light:
(a) Tachyons (b) Photons
(c) Neutrons (d) Protons
Answer: (a)
151. Speed of light is ...... maximum in:
(a) Vacuum (b) Water
(c) Steel (d) Glass
Answer: (a)
152. Colour of a soap bubble is due to:
(a) Dispersion (b) Interference
(c) Diffraction (d) Refraction
Answer: (b)
153. Change of path of light when it enters from one medium to another:
(a) Interference (b) Dispersion
(c) Refraction (d) Diffraction
Answer: (c)
154. Mirage is due to:
(a) Refraction (b) Diffraction
(c) Dispersion (d) None of these
Answer: (a)
155. Study of light:
(a) Acoustics (b) Optics
(c) Horology (d) Orology
Answer: (b)
156. Which one of the following phenomenon explaining the phenomenon of a rainbow?
(a) Diffraction
(b) Dispersion
(c) Reflection
(d) Refraction
Answer: (b)
157. Red+Green gives ...... colour:
(a) Yellow
(b) Cyan
(c) Magenta
(d) Violet
Answer: (a)
158. Blue+Green gives ..... colour.
(a) Pink
(b) Magenta
(c) Cyan
(d) Yellow
Answer: (c)
159. Red+Blue gives ....... colour.
(a) Cyan
(b) Yellow
(c) Magenta
(d) Black
Answer: (c)
160. The colour of the Nitrogen vapour lamp:
(a) Red
(b) Blue
(c) Green
(d) Yellow
Answer: (a)
161. The colour of the Sodium vapour lamp:
(a) Green
(b) Yellow
(c) Red
(d) Blue
Answer: (b)
162. ..... is the colour of Neon vapour lamp:
(a) Red
(b) Blue
(c) Orange
(d) Green
Answer: (c)
163. ...... vapour lamp has a green colour:
(a) Nitrogen
(b) Sodium
(c) Neon
(d) Chlorine
Answer: (d)
164. The colour of the Hydrogen vapour lamp:
(a) White
(b) Blue
(c) Yellow
(d) Green
Answer: (b)
165. The colour of Mercury vapour lamp:
(a) Blue
(b) Orange
(c) Red
(d) White
Answer: (d)
166. What is the voltage of the electricity used for the domestic purpose?
(a) 460 (b) 110
(c) 230 (d) 275
Answer: (c)
167. The study of sound:
(a) Acoustics (b) Optics
(c) Otology (d) None of these
Answer: (a)
168. The device used to measure the depth of oceans using sound waves:
(a) Radar (b) Sonometer
(c) Sonar (d) Vernier
Answer: (c)
169. In which one of the following medium, the sound has maximum speed?
(a) Vacuum (b) Air
(c) Wood (d) Iron
Answer: (d)
170. The speed of sound in water is .....metre per second:
(a) 340 (b) 1435
(c) 3850 (d) 5000
Answer: (b)
171. The energy source related to oceans:
(a) Solar Panel (b) Wind Energy Farm
(c) Geothermal Energy (d) Wave Energy
Answer: (d)
172. The mirror used in the headlight of automobiles:
(a) Cylindrical (b) Plain
(c) Concave (d) Convex
Answer: (c)
173. What type of mirror is used in the rearview mirror of automobiles:
(a) Convex (b) Concave
(c) Cylindrical (d) None of these
Answer: (a)
174. Which ray has a negative charge?
(a) Alpha (b) Beta
(c) Gama (d) X-ray
Answer: (b)
175. What will be the colour of the sky if there is no atmosphere?
(a) White (b) Blue
(c) Black (d) Green
Answer: (c)
176. The phenomenon responsible for the blue colour of the sky:
(a) Dispersion (b) Diffraction
(c) Reflection (d) Diffusion
Answer: (a)
177. The temperature at which molecular action stops completely:
(a) Minus 373 degree C (b) Minus 273 degree C
(c) Zero 373 degree C (d) 1000 degree C
Answer: (b)
178. Three primary colours of television are:
(a) Red, Green, Blue (b) Red, yellow, Blue
(c) Red, Yellow, Green (d) Green, Blue, Yellow
Answer: (a)
179. The colour of the universe:
(a) Black (b) White
(c) Red (d) Blue
Answer: (a)
180. The rays used in the remote control of TV:
(a) UV Rays (b) Infra-Red rays
(c) X rays (d) Gama rays
Answer: (b)
(a) Vacuum (b) Water
(c) Steel (d) Glass
Answer: (a)
152. Colour of a soap bubble is due to:
(a) Dispersion (b) Interference
(c) Diffraction (d) Refraction
Answer: (b)
153. Change of path of light when it enters from one medium to another:
(a) Interference (b) Dispersion
(c) Refraction (d) Diffraction
Answer: (c)
154. Mirage is due to:
(a) Refraction (b) Diffraction
(c) Dispersion (d) None of these
Answer: (a)
155. Study of light:
(a) Acoustics (b) Optics
(c) Horology (d) Orology
Answer: (b)
156. Which one of the following phenomenon explaining the phenomenon of a rainbow?
(a) Diffraction
(b) Dispersion
(c) Reflection
(d) Refraction
Answer: (b)
157. Red+Green gives ...... colour:
(a) Yellow
(b) Cyan
(c) Magenta
(d) Violet
Answer: (a)
158. Blue+Green gives ..... colour.
(a) Pink
(b) Magenta
(c) Cyan
(d) Yellow
Answer: (c)
159. Red+Blue gives ....... colour.
(a) Cyan
(b) Yellow
(c) Magenta
(d) Black
Answer: (c)
160. The colour of the Nitrogen vapour lamp:
(a) Red
(b) Blue
(c) Green
(d) Yellow
Answer: (a)
161. The colour of the Sodium vapour lamp:
(a) Green
(b) Yellow
(c) Red
(d) Blue
Answer: (b)
162. ..... is the colour of Neon vapour lamp:
(a) Red
(b) Blue
(c) Orange
(d) Green
Answer: (c)
163. ...... vapour lamp has a green colour:
(a) Nitrogen
(b) Sodium
(c) Neon
(d) Chlorine
Answer: (d)
164. The colour of the Hydrogen vapour lamp:
(a) White
(b) Blue
(c) Yellow
(d) Green
Answer: (b)
165. The colour of Mercury vapour lamp:
(a) Blue
(b) Orange
(c) Red
(d) White
Answer: (d)
166. What is the voltage of the electricity used for the domestic purpose?
(a) 460 (b) 110
(c) 230 (d) 275
Answer: (c)
167. The study of sound:
(a) Acoustics (b) Optics
(c) Otology (d) None of these
Answer: (a)
168. The device used to measure the depth of oceans using sound waves:
(a) Radar (b) Sonometer
(c) Sonar (d) Vernier
Answer: (c)
169. In which one of the following medium, the sound has maximum speed?
(a) Vacuum (b) Air
(c) Wood (d) Iron
Answer: (d)
170. The speed of sound in water is .....metre per second:
(a) 340 (b) 1435
(c) 3850 (d) 5000
Answer: (b)
171. The energy source related to oceans:
(a) Solar Panel (b) Wind Energy Farm
(c) Geothermal Energy (d) Wave Energy
Answer: (d)
172. The mirror used in the headlight of automobiles:
(a) Cylindrical (b) Plain
(c) Concave (d) Convex
Answer: (c)
173. What type of mirror is used in the rearview mirror of automobiles:
(a) Convex (b) Concave
(c) Cylindrical (d) None of these
Answer: (a)
174. Which ray has a negative charge?
(a) Alpha (b) Beta
(c) Gama (d) X-ray
Answer: (b)
175. What will be the colour of the sky if there is no atmosphere?
(a) White (b) Blue
(c) Black (d) Green
Answer: (c)
176. The phenomenon responsible for the blue colour of the sky:
(a) Dispersion (b) Diffraction
(c) Reflection (d) Diffusion
Answer: (a)
177. The temperature at which molecular action stops completely:
(a) Minus 373 degree C (b) Minus 273 degree C
(c) Zero 373 degree C (d) 1000 degree C
Answer: (b)
178. Three primary colours of television are:
(a) Red, Green, Blue (b) Red, yellow, Blue
(c) Red, Yellow, Green (d) Green, Blue, Yellow
Answer: (a)
179. The colour of the universe:
(a) Black (b) White
(c) Red (d) Blue
Answer: (a)
180. The rays used in the remote control of TV:
(a) UV Rays (b) Infra-Red rays
(c) X rays (d) Gama rays
Answer: (b)
181. India launched its first artificial satellite on April 19, 1975, from Kapustinyar in:
(a) Kazakhstan (b) Russia
(c) Ukraine (d) Uzbekistan
Answer: (b)
182. The colour of the Black box in aeroplanes:
(a) Red (b) Orange
(c) Green (d) Blue
Answer: (b)
183. The first satellite launched by USA in 1958:
(a) Sputnik (b) Skylab
(c) Explorer-I (d) Challenger –I
Answer: (c)
184. Gravitational force is minimum in:
(a) Poles (b) Equator
(c) Temperate region (d) None of these
Answer: (b)
185. The process of conversion of one element into another:
(a) Reduction (b) Oxidation
(c) Transmutation (d) Migration
Answer: (c)
186.The author of Around the World in 80 Days?
(a) Arthur C Clarke (b) Joules Verne
(c) Darwin (d) Richard Rhodes
Answer: (b)
187. Who wrote Silent Spring?
(a) HG Wells (b) Rachael Carzon
(c) Arthur C Clarke (d) Newton
Answer: (b)
188. The theme of Silent Spring?
(a) Environmental pollution (b) Atom Bomb
(c) Ozone depletion (d) Flood
Answer: (a)
189. The nature of the Chemical Bond was authored by:
(a) Linus Pauling (b) Marie Curie
(c) Stephen Hawking (d) Frederick Sanger
Answer: (a)
190. The Principia Mathematica is a three-volume work on the foundations of mathematics, written by Alfred North Whitehead and..........
(a) Bernard Shaw (b) Bertrand Russel
(c) Isac Newton (d) Russel Wallace
Answer: (b)
191. Who authored Naturalis Principia Mathematica?
(a) Einstein (b) Isac Newton
(c) Arthur C Clarke (d) Darwin
Answer: (b)
192. In which year Philosophiae Naturalis Principia Mathematica was published?
(a) 1687 (b) 1787
(c) 1637 (d) 1867
Answer: (a)
193. The Descent of Man was written by:
(a) Isac Newton (b) Charles Darwin
(c) Mendel (d) Linus Pauling
Answer: (b)
194. The Principles of Mathematics is a book written by ......... in 1903.
(a) Bertrand Russell (b) Huxley
(c) Bernard Shaw (d) Newton
Answer: (a)
195. Who wrote the book Cosmos?
(a) Carl Sagan (b) Arthur C Clarke
(c) Huxley (d) Hawking
Answer: (a)
196. Who wrote 20,000 Leagues Under the Sea?
(a) Joules Verne (b) Stephen Hawking
(c) Isac Newton (d) Russel
Answer: (a)
197. Who wrote The Origin of Species?
(a) Charles Darwin (b) Lamarche
(c) Johanson (d) Gregor Mendel
Answer: (a)
198. In which year The Origin of Species was published?
(a) 1850 (b) 1860
(c) 1859 (d) 1879
Answer: (c)
199. Who wrote The Time Machine?
(a) Hawking (b) Arthur C Clarke
(c) HG Wells (d) Joules Verne
Answer: (c)
200. The author of The Invisible Man?
(a) Carl Sagan (b) HG Wells
(c) Arthur C Clarke (d) Huxley
Answer: (b)
201. The author of Journey to the Center of the Earth :
(a) Arthur Conal Doyle (b) Joules Verne
(c) Aldous Huxley (d) Arthur C Clarke
Answer: (b)
202. Rendezvous With Rama was written by:
(a) Arthur C Clarke (b) Stephen Hawking
(c) Joules Verne (d) Carl Sagan
Answer: (a)
203. 2001: A Space Odyssey was written by:
(a) George Orwell (b) Carl Sagan
(c) Arthur C Clarke (d) Hawking
Answer: (c)
204. Who is the author of the book The Voyage of Beagle?
(a) Einstein (b) Charles Darwin
(c) Arthur C Clarke (d) Alfred Russel Wallace
Answer: (b)
205. The author of Jurassic Park:
(a) Michael Crichton
(b) HG Wells
(c) Arthur Conal Doyle
(d) Aldous Huxley
Answer: (a)
206. The author of a brief History of Time?
(a) Joules Verne (b) Stephen Hawking
(c) Isac Newton (d) Russel
Answer: (b)
207. Who wrote 1984?
(a) George Orwell (b) Carl Sagan
(c) Hawking (d) Chomsky
Answer: (a)
208. Who wrote Brave New World?
(a) Joules Verne (b) Arthur C Clarke
(c) Aldous Huxley (d) HG Wells
Answer: (c)
209. Who wrote The Lost World?
(a) Michael Crichton (b) HG Wells
(c) Arthur Conal Doyle (d) Aldous Huxley
Answer: (c)
210. The author of The Double Helix?
(a) Watson and Crick (b) Darwin
(c) Johanson (d) Huxley
Answer: (a)
(a) Kazakhstan (b) Russia
(c) Ukraine (d) Uzbekistan
Answer: (b)
182. The colour of the Black box in aeroplanes:
(a) Red (b) Orange
(c) Green (d) Blue
Answer: (b)
183. The first satellite launched by USA in 1958:
(a) Sputnik (b) Skylab
(c) Explorer-I (d) Challenger –I
Answer: (c)
184. Gravitational force is minimum in:
(a) Poles (b) Equator
(c) Temperate region (d) None of these
Answer: (b)
185. The process of conversion of one element into another:
(a) Reduction (b) Oxidation
(c) Transmutation (d) Migration
Answer: (c)
186.The author of Around the World in 80 Days?
(a) Arthur C Clarke (b) Joules Verne
(c) Darwin (d) Richard Rhodes
Answer: (b)
187. Who wrote Silent Spring?
(a) HG Wells (b) Rachael Carzon
(c) Arthur C Clarke (d) Newton
Answer: (b)
188. The theme of Silent Spring?
(a) Environmental pollution (b) Atom Bomb
(c) Ozone depletion (d) Flood
Answer: (a)
189. The nature of the Chemical Bond was authored by:
(a) Linus Pauling (b) Marie Curie
(c) Stephen Hawking (d) Frederick Sanger
Answer: (a)
190. The Principia Mathematica is a three-volume work on the foundations of mathematics, written by Alfred North Whitehead and..........
(a) Bernard Shaw (b) Bertrand Russel
(c) Isac Newton (d) Russel Wallace
Answer: (b)
191. Who authored Naturalis Principia Mathematica?
(a) Einstein (b) Isac Newton
(c) Arthur C Clarke (d) Darwin
Answer: (b)
192. In which year Philosophiae Naturalis Principia Mathematica was published?
(a) 1687 (b) 1787
(c) 1637 (d) 1867
Answer: (a)
193. The Descent of Man was written by:
(a) Isac Newton (b) Charles Darwin
(c) Mendel (d) Linus Pauling
Answer: (b)
194. The Principles of Mathematics is a book written by ......... in 1903.
(a) Bertrand Russell (b) Huxley
(c) Bernard Shaw (d) Newton
Answer: (a)
195. Who wrote the book Cosmos?
(a) Carl Sagan (b) Arthur C Clarke
(c) Huxley (d) Hawking
Answer: (a)
196. Who wrote 20,000 Leagues Under the Sea?
(a) Joules Verne (b) Stephen Hawking
(c) Isac Newton (d) Russel
Answer: (a)
197. Who wrote The Origin of Species?
(a) Charles Darwin (b) Lamarche
(c) Johanson (d) Gregor Mendel
Answer: (a)
198. In which year The Origin of Species was published?
(a) 1850 (b) 1860
(c) 1859 (d) 1879
Answer: (c)
199. Who wrote The Time Machine?
(a) Hawking (b) Arthur C Clarke
(c) HG Wells (d) Joules Verne
Answer: (c)
200. The author of The Invisible Man?
(a) Carl Sagan (b) HG Wells
(c) Arthur C Clarke (d) Huxley
Answer: (b)
201. The author of Journey to the Center of the Earth :
(a) Arthur Conal Doyle (b) Joules Verne
(c) Aldous Huxley (d) Arthur C Clarke
Answer: (b)
202. Rendezvous With Rama was written by:
(a) Arthur C Clarke (b) Stephen Hawking
(c) Joules Verne (d) Carl Sagan
Answer: (a)
203. 2001: A Space Odyssey was written by:
(a) George Orwell (b) Carl Sagan
(c) Arthur C Clarke (d) Hawking
Answer: (c)
204. Who is the author of the book The Voyage of Beagle?
(a) Einstein (b) Charles Darwin
(c) Arthur C Clarke (d) Alfred Russel Wallace
Answer: (b)
205. The author of Jurassic Park:
(a) Michael Crichton
(b) HG Wells
(c) Arthur Conal Doyle
(d) Aldous Huxley
Answer: (a)
206. The author of a brief History of Time?
(a) Joules Verne (b) Stephen Hawking
(c) Isac Newton (d) Russel
Answer: (b)
207. Who wrote 1984?
(a) George Orwell (b) Carl Sagan
(c) Hawking (d) Chomsky
Answer: (a)
208. Who wrote Brave New World?
(a) Joules Verne (b) Arthur C Clarke
(c) Aldous Huxley (d) HG Wells
Answer: (c)
209. Who wrote The Lost World?
(a) Michael Crichton (b) HG Wells
(c) Arthur Conal Doyle (d) Aldous Huxley
Answer: (c)
210. The author of The Double Helix?
(a) Watson and Crick (b) Darwin
(c) Johanson (d) Huxley
Answer: (a)
211. The knot is used for measuring:
(a) Speed of ship (b) Speed of light
(c) Wavelength (d) Speed of Plane
Answer: (a)
212. The vehicle used to launch India’s first satellite, Aryabhatta:
(a) Cosmos (b) Salyut
(c) Echo (d) Telstar
Answer: (a)
213. The total kinetic energy of molecules in a substance is known as:
(a) Force (b) Motion
(c) Heat (d) Energy
Answer: (c)
214. The first space station:
(a) Skylab (b) Salyut-1
(c) Sputnik (d) Cosmos
Answer: (b)
215. The first advertisement telecast on TV was about:
(a) Watch (b) Pen
(c) Car (d) Radio
Answer: (a)
216. Which colour absorbs heat the least:
(a) Black (b) White
(c) Red (d) Violet
Answer: (b)
217. Almost all aircraft flight occurs in the______
(a) Exosphere (b) Troposphere&Stratosphere
(c) Ionosphere (d) Thermosphere
Answer: (b)
218. The study of motion:
(a) Acoustics (b) Cryogenics
(c) Optics (d) Dynamics
Answer: (d)
219. The half-life of Carbon-14 Isotope is ....... years.
(a) 5760 (b) 4560
(c) 4500 (d) 2400
Answer: (a)
210. What is used as fuel in aeroplanes?
(a) Benzene (b) Toluene
(c) Gasolin (d) Naphta
Answer: (c)
211. In which form matter exist in nature in the largest quantity?
(a) Solid (b) Liquid
(c) Gas (d) Plasma
Answer: (d)
212. The frequency of electricity used for the domestic purpose:
(a) 100 Hz (b) 230 Hz
(c) 50 Hz (d) 250Hz
Answer: (c)
213. Thermometer measures:
(a) Pressure (b) Force
(c) Temperature (d) Speed
Answer: (c)
214. The temperature at which Celcius and Fahrenheit scales are equal:
(a) Minus 40 (b) Minus 273
(c) Zero (d) Minus 32
Answer: (a)
215. Eco sounder measures .....
(a) Temperature (b) Depth of water bodies
(c) Speed of aircraft (d) Frequency
Answer: (b)
216. Natural magnets are known as:
(a) Lode stones (b) Corundum
(c) Gypsum (d) Carborundum
Answer: (a)
217. Which colour is in the middle of the rainbow?
(a) Yellow (b) Blue
(c) Green (d) Indigo
Answer: (c)
218.The fourth form of matter?
(a) Liquid (b) Solid
(c) Plasma (d) Gas
Answer: (c)
219. At which region of the Earth a body has the maximum weight?
(a) Equator (b) Tropic of Cancer
(c) Tropic of Capricorn (d) Poles
Answer: (d)
220. The force between the same type of molecules:
(a) Adhesion (b) Cohesion
(c) Repulsion (d) Conjugation
Answer: (b)
221. The force between different type of molecules:
(a) Conjugation (b) Immersion
(c) Adhesion (d) Repulsion
Answer: (c)
222. The metal used in Thermometers:
(a) Mercury (b) Lead
(c) Sodium (d) Silver
Answer: (a)
223. For measuring very high temperature, ...... is used:
(a) Heliometer (b) Kymoscope
(c) Pyrometer (d) Odometer
Answer: (c)
224. Water has maximum density at ..... degree Celcius:
(a) Zero (b) Minus 4
(c) Four (d) 100
Answer: (c)
225. Bose Einstein condensate is ......th form of matter:
(a) 5 (b) 4
(c) 6 (d) 7
Answer: (a)
226. Fermionic condensate is ......th form of matter:
(a) 7 (b) 6
(c) 7 (d) 4
Answer: (b)
227. Super cooled Fermi gas is ......th form of matter:
(a) 8 (b) 7
(c) 6 (d) 5
Answer: (b)
228. Who discovered the Doppler Effect?
(a) Christian Doppler (b) Newton
(c) Watson (d) Franc Whittle
Answer: (a)
229. Amount of matter is measured in:
(a) Mole (b) Columb
(c) Erg (d) Newton
Answer: (a)
230. NASA sent Phoenix mission to:
(a) Venus (b) Mercury
(c) Jupiter (d) Mars
Answer: (d)
231. The instrument used in submarines to view the surface of the water:
(a) Radar (b) Sonar
(c) Hydrometer (d) Periscope
Answer: (d)
232. The process of water becoming vapour is:
(a) Evaporation (b) Melting
(c) Condensation (d) Soldfication
Answer: (a)
233. The instrument that converts mechanical energy into electrical energy:
(a) Motor (b) Dynamo
(c) Rectifier (d) Amplifier
Answer: (b)
234. In an electric motor electrical energy is mainly converted to .......
(a) Chemical energy (b) Mechanical energy
(c) Magnetic energy (d) Potential energy
Answer: (b)
235. What will be the weight of a man on Moon, if he has 60kg weight on Earth?
(a) 12 kg (b) 6kg
(c) 10 kg (d) 20kg
Answer: (c)
236. Which colour can absorb the maximum amount of heat?
(a) Blue (b) White
(c) Red (d) Black
Answer: (d)
237. The glass used for making lens:
(a) Safety glass (b) Water glass
(c) Flint glass (d) None of these
Answer: (c)
238. Lens used in camera:
(a) Convex (b) Concave
(c) Biconcave (d) None of these
Answer: (a)
239. The bomb dropped in Hiroshima:
(a) Bokscar (b) Enola Gay
(c) Fatman (d) Little Boy
Answer: (d)
240. The bomb named Fatman was dropped in:
(a) Kawasaki (b) Kyoto
(c) Tokyo (d) Nagasaki
Answer: (d)
(a) Speed of ship (b) Speed of light
(c) Wavelength (d) Speed of Plane
Answer: (a)
212. The vehicle used to launch India’s first satellite, Aryabhatta:
(a) Cosmos (b) Salyut
(c) Echo (d) Telstar
Answer: (a)
213. The total kinetic energy of molecules in a substance is known as:
(a) Force (b) Motion
(c) Heat (d) Energy
Answer: (c)
214. The first space station:
(a) Skylab (b) Salyut-1
(c) Sputnik (d) Cosmos
Answer: (b)
215. The first advertisement telecast on TV was about:
(a) Watch (b) Pen
(c) Car (d) Radio
Answer: (a)
216. Which colour absorbs heat the least:
(a) Black (b) White
(c) Red (d) Violet
Answer: (b)
217. Almost all aircraft flight occurs in the______
(a) Exosphere (b) Troposphere&Stratosphere
(c) Ionosphere (d) Thermosphere
Answer: (b)
218. The study of motion:
(a) Acoustics (b) Cryogenics
(c) Optics (d) Dynamics
Answer: (d)
219. The half-life of Carbon-14 Isotope is ....... years.
(a) 5760 (b) 4560
(c) 4500 (d) 2400
Answer: (a)
210. What is used as fuel in aeroplanes?
(a) Benzene (b) Toluene
(c) Gasolin (d) Naphta
Answer: (c)
211. In which form matter exist in nature in the largest quantity?
(a) Solid (b) Liquid
(c) Gas (d) Plasma
Answer: (d)
212. The frequency of electricity used for the domestic purpose:
(a) 100 Hz (b) 230 Hz
(c) 50 Hz (d) 250Hz
Answer: (c)
213. Thermometer measures:
(a) Pressure (b) Force
(c) Temperature (d) Speed
Answer: (c)
214. The temperature at which Celcius and Fahrenheit scales are equal:
(a) Minus 40 (b) Minus 273
(c) Zero (d) Minus 32
Answer: (a)
215. Eco sounder measures .....
(a) Temperature (b) Depth of water bodies
(c) Speed of aircraft (d) Frequency
Answer: (b)
216. Natural magnets are known as:
(a) Lode stones (b) Corundum
(c) Gypsum (d) Carborundum
Answer: (a)
217. Which colour is in the middle of the rainbow?
(a) Yellow (b) Blue
(c) Green (d) Indigo
Answer: (c)
218.The fourth form of matter?
(a) Liquid (b) Solid
(c) Plasma (d) Gas
Answer: (c)
219. At which region of the Earth a body has the maximum weight?
(a) Equator (b) Tropic of Cancer
(c) Tropic of Capricorn (d) Poles
Answer: (d)
220. The force between the same type of molecules:
(a) Adhesion (b) Cohesion
(c) Repulsion (d) Conjugation
Answer: (b)
221. The force between different type of molecules:
(a) Conjugation (b) Immersion
(c) Adhesion (d) Repulsion
Answer: (c)
222. The metal used in Thermometers:
(a) Mercury (b) Lead
(c) Sodium (d) Silver
Answer: (a)
223. For measuring very high temperature, ...... is used:
(a) Heliometer (b) Kymoscope
(c) Pyrometer (d) Odometer
Answer: (c)
224. Water has maximum density at ..... degree Celcius:
(a) Zero (b) Minus 4
(c) Four (d) 100
Answer: (c)
225. Bose Einstein condensate is ......th form of matter:
(a) 5 (b) 4
(c) 6 (d) 7
Answer: (a)
226. Fermionic condensate is ......th form of matter:
(a) 7 (b) 6
(c) 7 (d) 4
Answer: (b)
227. Super cooled Fermi gas is ......th form of matter:
(a) 8 (b) 7
(c) 6 (d) 5
Answer: (b)
228. Who discovered the Doppler Effect?
(a) Christian Doppler (b) Newton
(c) Watson (d) Franc Whittle
Answer: (a)
229. Amount of matter is measured in:
(a) Mole (b) Columb
(c) Erg (d) Newton
Answer: (a)
230. NASA sent Phoenix mission to:
(a) Venus (b) Mercury
(c) Jupiter (d) Mars
Answer: (d)
231. The instrument used in submarines to view the surface of the water:
(a) Radar (b) Sonar
(c) Hydrometer (d) Periscope
Answer: (d)
232. The process of water becoming vapour is:
(a) Evaporation (b) Melting
(c) Condensation (d) Soldfication
Answer: (a)
233. The instrument that converts mechanical energy into electrical energy:
(a) Motor (b) Dynamo
(c) Rectifier (d) Amplifier
Answer: (b)
234. In an electric motor electrical energy is mainly converted to .......
(a) Chemical energy (b) Mechanical energy
(c) Magnetic energy (d) Potential energy
Answer: (b)
235. What will be the weight of a man on Moon, if he has 60kg weight on Earth?
(a) 12 kg (b) 6kg
(c) 10 kg (d) 20kg
Answer: (c)
236. Which colour can absorb the maximum amount of heat?
(a) Blue (b) White
(c) Red (d) Black
Answer: (d)
237. The glass used for making lens:
(a) Safety glass (b) Water glass
(c) Flint glass (d) None of these
Answer: (c)
238. Lens used in camera:
(a) Convex (b) Concave
(c) Biconcave (d) None of these
Answer: (a)
239. The bomb dropped in Hiroshima:
(a) Bokscar (b) Enola Gay
(c) Fatman (d) Little Boy
Answer: (d)
240. The bomb named Fatman was dropped in:
(a) Kawasaki (b) Kyoto
(c) Tokyo (d) Nagasaki
Answer: (d)
241. The smallest unit in computer memory:
(a) Byte (b) Bit
(c) Megabyte (d) Gigabyte
Answer: (b)
242. Sound does not pass through:
(a) Solid (b) Liquid
(c) Vacuum (d) None of these
Answer: (c)
243. India launched its first rocket in:
(a) 1960 (b) 1961
(c) 1962 (d) 1963
Answer: (d)
244. TERLS (Thumba Equatorial Rocket Launching Station) is dedicated to (1968):
(a) SAARC (b) NAM
(c) UNO (d) G-8
Answer: (c)
245. What is known as the king of inventions?
(a) Steam engine (b) Car
(c) Atom Bomb (d) Nuclear fission
Answer: (a)
246. The first to state that the earth revolves around the sun:
(a) Ptolemy (b) Galileo
(c) Kepler (d) Copernicus
Answer: (d)
247. ‘Megabytes’ is the unit for measuring which of the following:
(a) Intensity of earthquake
(b) Memory capacity of a computer
(c) Intensity of wavelength
(d) None of these
Answer: (b)
248. To determine the age of fossils ...... is used:
(a) Carbon dating (b) DNA test
(c) Superimposing (d) None of these
Answer: (a)
249. Amount of water in the atmosphere is known as:
(a) Density (b) Gravity
(c) Humidity (d) Humus
Answer: (c)
250. An instrument that does the function of the human brain?
(a) Radar (b) Computer
(c) Radio (d) Television
Answer: (b)
(a) Byte (b) Bit
(c) Megabyte (d) Gigabyte
Answer: (b)
242. Sound does not pass through:
(a) Solid (b) Liquid
(c) Vacuum (d) None of these
Answer: (c)
243. India launched its first rocket in:
(a) 1960 (b) 1961
(c) 1962 (d) 1963
Answer: (d)
244. TERLS (Thumba Equatorial Rocket Launching Station) is dedicated to (1968):
(a) SAARC (b) NAM
(c) UNO (d) G-8
Answer: (c)
245. What is known as the king of inventions?
(a) Steam engine (b) Car
(c) Atom Bomb (d) Nuclear fission
Answer: (a)
246. The first to state that the earth revolves around the sun:
(a) Ptolemy (b) Galileo
(c) Kepler (d) Copernicus
Answer: (d)
247. ‘Megabytes’ is the unit for measuring which of the following:
(a) Intensity of earthquake
(b) Memory capacity of a computer
(c) Intensity of wavelength
(d) None of these
Answer: (b)
248. To determine the age of fossils ...... is used:
(a) Carbon dating (b) DNA test
(c) Superimposing (d) None of these
Answer: (a)
249. Amount of water in the atmosphere is known as:
(a) Density (b) Gravity
(c) Humidity (d) Humus
Answer: (c)
250. An instrument that does the function of the human brain?
(a) Radar (b) Computer
(c) Radio (d) Television
Answer: (b)
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