Waves — Physics STD 11 — Question

When the potential energy of a particle executing simple harmonic motion is one-fourth of its maximum value during the oscillation, the displacement of the particle from the equilibrium position in terms of its amplitude a is ……..

A gale blows over a house. The force due to the gale on the roof is ………

Sound travels fastest in …….

Which of the following will make the volume of an ideal gas four times?

When the terminal velocity is reached, the acceleration of a body moving through a viscous medium is …….

The angle between the normal force and the resultant force of normal force and maximum frictional force is –

In pure rolling, the velocity of the point of the rolling object which comes in contact with the surface is –

A gas is enclosed in a container which is then placed on a fast moving train. The temperature of the gas …..