Heat and Thermodynamics — Physics STD 11 — Question

Which one of the following equations of motion represents simple harmonic motion?

A radio signal sent towards the distant planet, returns after “t” s. If “c” is the speed of radio waves then the distance of the planet and from the earth is ……. .

A satellite is moving around the Earth with speed v in a circular orbit of radius r. If the orbit radius is decreased by 1% its speed will …….

The angular velocity and the amplitude of a simple pendulum are ω and a, respectively. The ratio of its kinetic and potential energies at a displacement x from the mean position is ……….

If the velocity of separation is equal to the velocity of approach, then the collision is

A block of mass m is pulled along a horizontal surface by a rope. The tension in the rope will be same at all the points –

What does not change in the field of central force?

Bernoulli’s theorem is applicable to ………

One light year is ……