Physics MCQs Quiz for Competitive Exams.This post contains Physics Objective Questions and Answers for NTS, PPSC, CSS, FPSC, PMS, OTS, PTS Tests and Interviews. These Objective Physics Questions and Answers are to prepare online competitive exams. MCQs are taken from Caravan Comprehensive GK Book.
1. 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
2. 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
3. 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
4. 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
5. 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
6. 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
7. 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
8. 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
9. 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
10. Heat received by earth from the Sun is known as _____ ?
(a) Insulation
(b) Solar radiation
(c) Solar heat
(d) Thermal radiation
11. Special theory of relativity was proposed by ______ ?
(a) Isaac Newton
(b) Albert Einstein
(c) Galilee
(d) Robert Hook
12. Isaac Newton gave _____ ?
(a) Law of Planetary Motion
(b) Laws of Motion and Laws of Gravitation
(c) Law of Geometry
(d) None of these
13. The celebrated scientist Isaac Newton was ______ ?
(a) British
(b) Dutch
(c) Italian
(d) French
14. Mechanics is the study of _______ ?
(a) Forces acting on bodies
(b) Movement of bodies
(c) Angle of bodies
(d) Shape of bodies
15. Sodium chloride is commonly called as _______ ?
(a) Washing soda
(b) Gypsum
(c) Common salt
(d) Plaster of Paris
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