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
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](b) The bomb traverses a curved path and falls some distance ahead[/bg_collapse]
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
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](c) Wavelength and speed[/bg_collapse]
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
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](a) Exactly in hands of the person[/bg_collapse]
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
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](c) The chain reaction in the nuclear reactor is controlled[/bg_collapse]
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
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](d) This can damage the domestic wiring due to overheating[/bg_collapse]
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
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](d) Density of Sea water is higher than that of the river water[/bg_collapse]
167. When a vehicle passes, TV reception gets distorted. This is because________.
(a) Metal reflects radiowaves
(b) Spark plug creates electromagnetic disturbances
(c) Passing vehicle affects the sophisticated TV components
(d) Modern vehicles use the electronic ignition system
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](b) Spark plug creates electromagnetic disturbances[/bg_collapse]
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
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](d) Low pressure outside the body[/bg_collapse]
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
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](c) To produce the necessary centripetal force required to keep him moving in a curved path[/bg_collapse]
170. Heat received by earth from the Sun is known as______.
(a) Insulation
(b) Solar radiation
(c) Solar heat
(d) Thermal radiation
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](b) Solar radiation[/bg_collapse]
171. Special theory of relativity was proposed by _______.
(a) Isaac Newton
(b) Albert Einstein
(c) Galilee
(d) Robert Hook
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](b) Albert Einstein[/bg_collapse]
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
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](b) Laws of Motion and Laws of Gravitation[/bg_collapse]
173. The celebrated scientist Isaac Newton was_______.
(a) British
(b) Dutch
(c) Italian
(d) French
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](a) British[/bg_collapse]
174. Mechanics is the study of ________.
(a) Forces acting on bodies
(b) Movement of bodies
(c) Angle of bodies
(d) Shape of bodies
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](a) Forces acting on bodies[/bg_collapse]
175. Sodium chloride is commonly called as ________.
(a) Washing soda
(b) Gypsum
(c) Common salt
(d) Plaster of Paris
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](c) Common salt[/bg_collapse]
176. Dynamics is the study of ________.
(a) Movements of earth
(b) Movement of bodies
(c) Angles of bodies
(d) Forces acting on bodies
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](b) Movement of bodies[/bg_collapse]
177. Which instrument is used to measure very high temperature?
(a) Tachometer
(b) Pyrometer
(c) Udometer
(d) Lactometer
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](b) Pyrometer[/bg_collapse]
178. Which of the following layer of atmosphere make radio transmission possible?
(a) Ionosphere
(b) Troposphere
(c) Hydrosphere
(d) Stratosphere
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](a) Ionosphere[/bg_collapse]
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
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](b) 550 km/s[/bg_collapse]
180. Which instrument is used to measure minute electrical currents?
(a) Seismograph
(b) Polygraph
(c) Manometer
(d) Galvanometer
[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show Answer” collapse_text=”Hide Answer” ](d) Galvanometer[/bg_collapse]
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