What is the process of conversion of solid state directly to gaseous state called?
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Which term is not associated with sound wave?
Weight of a body is maximum at the:
Polarizing sunglasses are useful because they are able to
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The time taken by a pendulum to complete one oscillation is called its?
An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is
A ball rolling along the ground gradually slows down and finally comes to rest is due to ________.
At what distance from the earth is gravity zero
Gravitational force is the force that binds everything at the surface of the earth. It holds at what distance from the earth is gravity zero.