Work, Energy and Power — Physics STD 11 — Question

A metal bob is suspended from a coiled spring. When set into vertical vibrations on the earth. It oscillates up and down with frequency f If the same experiment is carried out in a satellite circling the Earth the frequency of vibration will be …….

The first operation involved in a carnot cycle is

Time interval between two successive heart beat is in the order of …….

The operating principle of a hydraulic press is …….

When a gas in a closed vessel was heated so as to increase its temperature by 5°C, there occurred an increase of 1% in its pressure, the original temperature of the gas was …….

The ratio of energy and temperature is known as ……

The difference between volume and pressure coefficients of an ideal gas is ……

A train moving at a speed of 220 m/s towards a stationary object, emits a sound of frequency 1000 Hz. Some of the sound reaching the object gets reflected back to the train as echo. The frequency of the echo as detected by the driver of the train is

Torque is a-

At the highest point of oblique projection, which of the following is correct?