PHYSICS QUIZ

Vehicles use ________ to see the objects coming from behind.

Concave mirror

Convex lens

Convex mirror

Concave lens

TRUE ANSWER : ?
YOUR ANSWER : ?

A person is hurt on kicking a stone due to

Inertia

Reaction

Velocity

Momentum

TRUE ANSWER : ?
YOUR ANSWER : ?

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 ?

24 A

8.5 A

0.41666666666667

TRUE ANSWER : ?
YOUR ANSWER : ?

The earth is a

Bad absorber and bad radiator of heat

Good reflector of heat

Good absorber and good radiator of heat

Non-absorber of heat

TRUE ANSWER : ?
YOUR ANSWER : ?

If an object is thrown upwards, what will be its velocity, when it reaches its maximum height?

14.7 m/s

20 m/s

4.9 m/s

0 m/s

TRUE ANSWER : ?
YOUR ANSWER : ?

Sources of geothermal power are

Earth's heat

Both A & B

None of these

Water

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following laws validates the statement that matter can neither be created nor destroyed ?

Law of osmosis

Le Chatelier's Principle

Law of conservation of mass

Law of conservation of energy

TRUE ANSWER : ?
YOUR ANSWER : ?

The sudden fall of atmospheric pressure indicates

Fair weather

Rain

Cold weather

Storm

TRUE ANSWER : ?
YOUR ANSWER : ?

The phenomenon which causes mirage is

Total internal reflection

Interference

Diffraction

Polarisation

TRUE ANSWER : ?
YOUR ANSWER : ?

The term ''Isoneph' indicates the lines of equal

Pressure

Salinity

Cloudiness

Rainfall

TRUE ANSWER : ?
YOUR ANSWER : ?

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