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Physics

Physics
Who gave black hole theory?

Albert Einstein
Isaac Newton
Stephen Hawking
None of these

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Physics
A boat will submerge when it displaces water equal to its own:

Density
Surface area
Weight
Volume

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Physics
Alternating current is converted into direct current by a

Rectifier
Dynamo
Transformer
Oscillator

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Physics
A ball is thrown vertically upward from the ground. It crosses a point at the height of 25 m twice at an interval of 4 seconds. The ball was thrown with the velocity of

18 m/s
36 m/s
25 m/s
30 m/s

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Physics
The fuse in our domestic electric circuit melts when there is a high rise in

Resistance
Current
Inductance
Capacitance

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Physics
Among the following materials sound travels fastest in

Steel
Vacuum
Water
Air

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MORE MCQ ON Physics

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