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Physics

Physics
Decibel is a term connected with :

Air
Sound
Soil
Water

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Physics
Conversion of sound energy into electrical energy is done by

Gramophone
Solar cell
Microphone
Loudspeaker

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Physics
A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is

Zero
One
More than one
Less than one

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Physics
In which form is the supplied heat energy stored during change in temperature of substance?

Heat energy
Both kinetic and potential energy
Potential energy
Kinetic energy

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Physics
A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is

Zero
Greater than the weight of the man
Same as the weight of the man
Less than the weight of the man

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Physics
A gap is left between two rails of a railway track to accommodate...... of the metal.

Apparent expansion
Areal expansion
Volume expansion
Linear expansion

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MORE MCQ ON Physics

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