Kinematics — Physics STD 11 — Question

Two vibrating tuning forks produce progressive waves given be y1 =4 sin 500 πt and y2 = 2 sin 506 πt where t is in seconds number of beats produced per minute is ……..

Rotational kinetic energy is given by –

If speed of light (c), acceleration due to gravity (g) and pressure (P) are taken as fundamental units, the possible relation to gravitational constant (G) is ….

A bullet is dropped from some height, when another bullet is fired horizontally from the same height. They will hit the ground –

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

Infinitesimal quantity means –

The correct value of 0°C on the Kelvin scale is ……..

The first derivative of position vector with respect to time is –

Two forces are in the ratio of 3 : 4. The maximum and minimum of their resultants are in the ratio is –

The angle between two collinear vectors is / are –