MCQOPTIONS
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MCQOPTIONS
This section includes 1292 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
The ratio of the total distance travelled by a body to the total time taken by it is its __________________._x005F_x000D_ |
| A. | instantaneous velocity |
| B. | linear velocity |
| C. | average speed |
| D. | acceleration |
| Answer» D. acceleration | |
| 152. |
The rate at which energy is transferred is called |
| A. | Power |
| B. | Watt |
| C. | Volt |
| D. | Potential |
| Answer» B. Watt | |
| 153. |
The rate of change of displacement is called |
| A. | Acceleration |
| B. | Speed |
| C. | Distance |
| D. | Velocity |
| Answer» E. | |
| 154. |
The rate of change of linear momentum of a body is proportional to the ___________ acting on it. |
| A. | impulse |
| B. | torque |
| C. | force |
| D. | kinetic energy |
| Answer» D. kinetic energy | |
| 155. |
The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as |
| A. | -30 cm |
| B. | -15 cm |
| C. | +30 cm |
| D. | +15 cm |
| Answer» C. +30 cm | |
| 156. |
The quantum theory of light was given by |
| A. | Einstein |
| B. | Newton |
| C. | Plank |
| D. | Faraday |
| Answer» D. Faraday | |
| 157. |
The quality or tone of a musical sound produced by a stringed instrument depends on |
| A. | frequency of vibration |
| B. | length of the strings in the instrument |
| C. | Amplitude of vibration |
| D. | waveform of the sound |
| Answer» E. | |
| 158. |
The purpose of choke in tube light is |
| A. | Induce high voltage |
| B. | Induce low resistance |
| C. | Induce high resistance |
| D. | Induce low voltage |
| Answer» B. Induce low resistance | |
| 159. |
The quality of sound produced by an instrument depends on the |
| A. | Frequency |
| B. | Intensity |
| C. | Number of overtones |
| D. | None of these |
| Answer» D. None of these | |
| 160. |
The property of metal by which it can be drawn into wires is called _____________. |
| A. | maleability |
| B. | viscosity |
| C. | ductility |
| D. | tensile strength |
| Answer» D. tensile strength | |
| 161. |
The product of force and the time for which the force acts on a body is equal to the change in _______________ of the body._x005F_x000D_ |
| A. | acceleration |
| B. | torque |
| C. | momentum |
| D. | velocity |
| Answer» D. velocity | |
| 162. |
The product of mass of a body and the acceleration produced in it equals the ___________ acting on it._x005F_x000D_ |
| A. | force |
| B. | impulse |
| C. | torque |
| D. | kinetic energy |
| Answer» B. impulse | |
| 163. |
The pressure of a fluid varies with depth h as P = PQ+pgh, where p is the fluid density. This expression is associated with |
| A. | Pascal’s law |
| B. | Newton’s law |
| C. | Bernoulli’s principle |
| D. | Archimedes’ principle |
| Answer» B. Newton’s law | |
| 164. |
The primary agent of contact metamorphism is |
| A. | Temperature |
| B. | Pressure |
| C. | Weathering |
| D. | Flowing water |
| Answer» B. Pressure | |
| 165. |
The pressure inside the cabin of the aircraft flying at an altitude is |
| A. | The same as that outside |
| B. | Less than that outside |
| C. | More than that outside |
| D. | Normal atmospheric pressure at sea level |
| Answer» D. Normal atmospheric pressure at sea level | |
| 166. |
The power of a lens is —2.5 D. The type of lens and its focal length are respectively:_x005F_x000D_ |
| A. | Convex, -0.40 m |
| B. | Concave, -0.40 m |
| C. | Concave, 0.40 m |
| D. | Convex, 0.40 m |
| Answer» C. Concave, 0.40 m | |
| 167. |
The power of _____________ is expressed in terms of a magnitude on a scale called Richter scale._x005F_x000D_ |
| A. | a tornado_x005F_x000D_ |
| B. | a volcano_x005F_x000D_ |
| C. | an earthquake_x005F_x000D_ |
| D. | a thunderstorm |
| Answer» D. a thunderstorm | |
| 168. |
The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ? |
| A. | 8.5 A |
| B. | 24 A |
| C. | 0.41666666666667 |
| D. | 0 |
| Answer» B. 24 A | |
| 169. |
The power of an earthquake is expressed in terms of a magnitude on a scale called __________ scale. |
| A. | Schmitt |
| B. | Hutton |
| C. | Werner |
| D. | Richter_x005F_x000D_ |
| Answer» E. | |
| 170. |
The pitch of a sound depends on its |
| A. | frequency |
| B. | amplitude |
| C. | timbre |
| D. | intensity |
| Answer» B. amplitude | |
| 171. |
The pitch of a sound depends on its ____. |
| A. | frequency |
| B. | wavelength |
| C. | amplitude |
| D. | timbre |
| Answer» B. wavelength | |
| 172. |
The path of a projectile is called its ______. |
| A. | Altitude |
| B. | Range |
| C. | Trajectory |
| D. | Flight |
| Answer» D. Flight | |
| 173. |
The point at which all rays converge is termed as ........._x005F_x000D_ |
| A. | principle axis |
| B. | pole |
| C. | aperture |
| D. | focus |
| Answer» E. | |
| 174. |
The phenomenon of change in direction of light when it passes from one medium to another is called |
| A. | Propagation |
| B. | Reflection |
| C. | Refraction |
| D. | Dispersion |
| Answer» D. Dispersion | |
| 175. |
The p wave of a normal Electrocardiogram indicates |
| A. | atrial depolarization |
| B. | Ventricular repolarization |
| C. | atrial repolarization |
| D. | Ventricular depolarization |
| Answer» B. Ventricular repolarization | |
| 176. |
The odometer guage indicates |
| A. | the distance travelled by a vehicle |
| B. | the depth of the ocean |
| C. | pitch length |
| D. | frequency of the wave |
| Answer» B. the depth of the ocean | |
| 177. |
The numerical value of a physical quantity is its _______________. |
| A. | vector |
| B. | magnitude |
| C. | direction |
| D. | property |
| Answer» C. direction | |
| 178. |
The passengers standing in a bus fall in the backward direction when the stationary bus begins to move. Which of the following laws explains this situation? |
| A. | Newton's Second Law of Motion |
| B. | The Law of Conservation of Momentum |
| C. | Newton's First Law of Motion |
| D. | Newton's Third Law of Motion |
| Answer» D. Newton's Third Law of Motion | |
| 179. |
The ____ of a substance is defined as the mass per unit volume. |
| A. | density |
| B. | viscosity |
| C. | porosity |
| D. | luminosity |
| Answer» B. viscosity | |
| 180. |
The motion of a freely falling body is an example of ______________ accelerated motion. |
| A. | non-uniformly |
| B. | uniformly |
| C. | uniquely |
| D. | specially |
| Answer» C. uniquely | |
| 181. |
The movement of air from one region to the other creates _______________._x005F_x000D_ |
| A. | clouds |
| B. | lightning |
| C. | winds |
| D. | humidity |
| Answer» D. humidity | |
| 182. |
The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is |
| A. | diffraction |
| B. | interference |
| C. | dispersion |
| D. | reflection |
| Answer» D. reflection | |
| 183. |
The motion of a freely falling body is an example of ________________________ motion. |
| A. | uniformly accelerated |
| B. | non-uniformly accelerated |
| C. | constant velocity |
| D. | constant speed |
| Answer» B. non-uniformly accelerated | |
| 184. |
The most suitable unit for expressing nuclear radius is |
| A. | micro |
| B. | nanometre |
| C. | fermi |
| D. | angstrom |
| Answer» D. angstrom | |
| 185. |
The mechanism of material removal in EDM process is |
| A. | Erosion and Cavitations |
| B. | Cavitations and Evaporation |
| C. | Melting and Evaporation |
| D. | Melting and Corrosion |
| Answer» D. Melting and Corrosion | |
| 186. |
The molecular mass of a gas is ________ |
| A. | twice its vapour pressure |
| B. | equal to its vapour pressure |
| C. | half its vapour pressure |
| D. | not related to its vapour pressure |
| Answer» B. equal to its vapour pressure | |
| 187. |
The magnitude of buoyant force depends on the .......... of the fluid. |
| A. | mass |
| B. | temperature |
| C. | volume |
| D. | density |
| Answer» E. | |
| 188. |
The material used in electric heater is |
| A. | Tungsten |
| B. | Nichrome |
| C. | Brass |
| D. | Steel |
| Answer» C. Brass | |
| 189. |
The magnitude of the gravitational force will be equal to the _________._x005F_x000D_ |
| A. | product of mass and acceleration due to the gravitational force_x005F_x000D_ |
| B. | ratio of mass and acceleration due to the gravitational force |
| C. | ratio of acceleration due to the gravitational force and mass |
| D. | reciprocal of product of mass and acceleration due to the gravitational force_x005F_x000D_ |
| Answer» B. ratio of mass and acceleration due to the gravitational force | |
| 190. |
The mass defect is the result of what action occurring? |
| A. | mass being converted to energy when protons and neutrons bind together in a nucleus |
| B. | protons and electrons being attracted to each other |
| C. | energy being converted into moles of atoms when neutrons break apart protons |
| D. | mass being converted to energy when protons and neutrons break apart in a nucleus |
| Answer» B. protons and electrons being attracted to each other | |
| 191. |
The mass per unit volume is called |
| A. | Force |
| B. | Work |
| C. | Density |
| D. | Pressure |
| Answer» D. Pressure | |
| 192. |
The least penetrating power ray is |
| A. | Gamma rays |
| B. | Beta rays |
| C. | Alpha rays |
| D. | None of the above |
| Answer» D. None of the above | |
| 193. |
The Length of the Day is determined in |
| A. | length of the hours |
| B. | length of the year |
| C. | astronomical units |
| D. | solar terms |
| Answer» D. solar terms | |
| 194. |
The light of distant stars is affected by |
| A. | Interstellar Dust |
| B. | The Earth's Atmosphere |
| C. | Both A & B |
| D. | None of the above |
| Answer» D. None of the above | |
| 195. |
The laws which govern the motion of planets are called ___________________. |
| A. | Newton's Laws |
| B. | Kepler's Laws |
| C. | Avogadro's laws |
| D. | De Morgan's Laws |
| Answer» C. Avogadro's laws | |
| 196. |
"The Law of Kepler" is related with which among the following ? |
| A. | Planetary Motion |
| B. | Law of Conservation of energy |
| C. | Law of Gravitation |
| D. | None |
| Answer» B. Law of Conservation of energy | |
| 197. |
The law of definite proportions was stated by .........._x005F_x000D_ |
| A. | Democritus |
| B. | Lavoisier |
| C. | Proust |
| D. | John Dalton |
| Answer» D. John Dalton | |
| 198. |
The law of conservation of mass states that mass cannot be changed overtime. |
| A. | 1 |
| B. | |
| C. | |
| D. | |
| Answer» B. | |
| 199. |
The law of conservation of energy states that |
| A. | energy can neither be created nor destroyed |
| B. | energy can either be created nor destroyed |
| C. | energy can neither be created or destroyed |
| D. | energy can either be created or destroyed |
| Answer» B. energy can either be created nor destroyed | |
| 200. |
The kinetic energy of a ball weighing 0.5 kg moving with a velocity of 4 m/s will be |
| A. | 16 J |
| B. | 4 J |
| C. | 8 J |
| D. | 12 J |
| Answer» C. 8 J | |