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Physics

Physics
Speed of sound is maximum in which among the following?

Gases
Solids
Vaccum
Liquids

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Physics
An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is

40 J
10 J
25 J
20 J

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Physics
Metals are good conductors of electricity because:

They contain free electrons.
They have high melting point.
The atoms are lightly packed.
All of these

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Physics
Hydraulic machines work under the Principle of :

Newton's Law
Floatation Law
Pascal's Law
Joules Law

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Physics
A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will

Increase
Remain unaffected
Decrease
Have its shape changed

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Physics
Which measurement depends on gravitational force?

All of these
Weight
Mass
Height

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MORE MCQ ON Physics

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