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# Physics Quiz Questions for Competitive Exams

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## General Physics Questions and Answers | Physics Questions for competitive exams

Here is post based on Physics Quiz Questions for NTS, PPSC, CSS, FPSC, PMS, OTS, PTS and Interviews online preparation. This is the 9th post of this Quiz of Physics Series. This physics objective question and answer based post is for students and job seekers for preparation of entry tests and job tests. MCQs are taken from Caravan Comprehensive book. For more, you can visit Physics MCQs main category.

### Physics Quiz Questions for NTS, PPSC, CSS, FPSC, PMS, OTS, PTS and Interviews preparation

MCQs are starting from No.161. For the previous Quiz on Physics Go here.

161. A bomb is dropped at a point from a moving aeroplane. The pilot observes that______.

(a) The bomb traverses a curved path and falls some distance behind that point
(b) The bomb traverses a curved path and falls some distance ahead
(c) The bomb drops vertically downward
(d) The bomb remains stationary in the air for some time

(b) The bomb traverses a curved path and falls some distance ahead

162. When light passes from air into the glass it experiences the change in______.

(a) Frequency and wavelength
(b) Frequency and speed
(c) Wavelength and speed
(d) Frequency, wavelength and speed

(c) Wavelength and speed

163. A person sitting in an open car moving at constant velocity throws a ball vertically upwards in the air. If the effect of air resistance is neglected, the ball will fall_______.

(a) Exactly in hands of the person
(b) Outside the cars
(c) in the car behind the person
(d) In the car ahead of the person

(a) Exactly in hands of the person

164. The difference between a nuclear reactor and an atomic bomb is that________.

(a) No chain reaction takes place in the nuclear reactor while in the atomic bomb there is a chain reaction
(b) No chain reaction takes place in atomic bomb while it takes place in a nuclear reactor
(c) The chain reaction in the nuclear reactor is controlled
(d) The chain reaction in the nuclear reactor is not controlled

(c) The chain reaction in the nuclear reactor is controlled

165. One should not connect a number of electric appliances to the same power socket because________.

(a) The appliances will not get full voltage
(b) The appliances will not get proper current
(c) This can damage the appliances
(d) This can damage the domestic wiring due to overheating

(d) This can damage the domestic wiring due to overheating

166. A ship rises as it enters the sea from a river because of the_______.

(a) Water in the sea is hard water
(b) The larger quantity of water in the sea pushes the ship upwards
(c) Density of Sea water is lower than that of the river water
(d) Density of Sea water is higher than that of the river water

(d) Density of Sea water is higher than that of the river water

167. When a vehicle passes, TV reception gets distorted. This is because________.

(b) Spark plug creates electromagnetic disturbances
(c) Passing vehicle affects the sophisticated TV components
(d) Modern vehicles use the electronic ignition system

(b) Spark plug creates electromagnetic disturbances

168. Tiredness is felt on the top of the mountains because of:

(a) High temperature
(b) Low temperature
(c) High pressure outside the body
(d) Low pressure outside the body

(d) Low pressure outside the body

169. Why is a cyclist required to bend inwards while moving in a circular path?

(a) To keep the vehicle on the road
(b) To make the centre of gravity fall with the base
(c) To produce the necessary centripetal force required to keep him moving in a curved path
(d) None of these

(c) To produce the necessary centripetal force required to keep him moving in a curved path

170. Heat received by earth from the Sun is known as______.

(a) Insulation
(c) Solar heat

171. Special theory of relativity was proposed by _______.

(a) Isaac Newton
(b) Albert Einstein
(c) Galilee
(d) Robert Hook

(b) Albert Einstein

172. Isaac Newton gave______.

(a) Law of Planetary Motion
(b) Laws of Motion and Laws of Gravitation
(c) Law of Geometry
(d) None of these

(b) Laws of Motion and Laws of Gravitation

173. The celebrated scientist Isaac Newton was_______.

(a) British
(b) Dutch
(c) Italian
(d) French

(a) British

174. Mechanics is the study of ________.

(a) Forces acting on bodies
(b) Movement of bodies
(c) Angle of bodies
(d) Shape of bodies

(a) Forces acting on bodies

175. Sodium chloride is commonly called as ________.

(a) Washing soda
(b) Gypsum
(c) Common salt
(d) Plaster of Paris

(c) Common salt

176. Dynamics is the study of ________.

(a) Movements of earth
(b) Movement of bodies
(c) Angles of bodies
(d) Forces acting on bodies

(b) Movement of bodies

177. Which instrument is used to measure very high temperature?

(a) Tachometer
(b) Pyrometer
(c) Udometer
(d) Lactometer

(b) Pyrometer

178. Which of the following layer of atmosphere make radio transmission possible?

(a) Ionosphere
(b) Troposphere
(c) Hydrosphere
(d) Stratosphere

(a) Ionosphere

179. What is the speed of sound in dry air?

(a) 500 km/s
(b) 550 km/s
(c) 610 km/s
(d) 710 km/s

(b) 550 km/s

180. Which instrument is used to measure minute electrical currents?

(a) Seismograph
(b) Polygraph
(c) Manometer
(d) Galvanometer

(d) Galvanometer

For more Physics Quiz Questions you can try next Quiz of Physics.

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