Kinematics — Physics STD 11 — Question

Moment of inertia of a thin uniform ring about an axis passing through the center of gravity and perpendicular to the plane is –

Moment of inertia for point masses –

A boy “A” of mass 50 kg climbs up a staircase in 10 s. Another boy “B” of mass 60 kg climbs up a Same staircase in 15s. The ratio of the power developed by the boys “A” and “B” is

According to Kepler, planet move in

Half life time of a free neutron is in the order of ……

Device used to measure very high temperature is …….

Kinetic friction is independent of –

Ultrasonic waves can be detected by ……

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 ……..