Nature of Physical World and Measurement — Physics STD 11 — Question

Kinetic friction is independent of –

If force is the cause then the effect is –

The motion of a particle is expressed by the equation a = -bx, where x is the displacement from the mean position, a is the acceleration and b is a constant. The periodic time is ………

If momentum of a body increases by 25% its kinetic energy will increase by

Angular momentum is given by –

The distance between the center of carbon and oxygen atoms in the gas molecule is 1.13 A. The center of mass of the molecule relative to oxygen atom is –

Density of water is maximum at the temperature of

A particle, moving along the x-axis, executes simple harmonic motion when the force acting on it is given by (A and k are positive constants.) …….

To what temperature should the hydrogen at room temperature (27°C) be heated at constant pressure so that the RMS velocity of its molecules becomes double its previous value?