Waves — Physics STD 11 — Question

With the rise of temperature, the speed of sound in a gas ……..

The whirling motion of a stone attached to a string is a –

The diagram shows the profile of a wave, which of the following pairs of points are in phase?

The pressure of the Earth’s atmosphere at sea level is due to the ……

The relation between torque and angular acceleration is –

The branch of mechanics which deals with the motion of objects without taking force into account is –

Orbital velocity of an artificial satellite does not depend upon …….

Pressure of an ideal gas is increased by keeping temperature constant. What is the effect on the kinetic energy of molecules?

An object falls from a height h (h<< R) the time taken by an object to reaches the ground is –

One mole of gas occupies a volume of 200 ml. at 100 mm pressure. What is the volume occupied by two moles of this gas at 400 mm pressure and at same temperature?