Kinematics — Physics STD 11 — Question

The smallest physical unit of time is

A temperature at which both the Fahrenheit and the centigrade scales have the same value is

Origin of centrifugal force is due to –

In the horizontal projection, the range of the projectile is –

In the absence of external forces the center of mass will be in a state of –

A particle is executing SHM. Then the graph of velocity as a function of displacement is …….

The waves produced by a motor boat sailing in water are ……..

Two small spheres of radii r and 2r fall through a viscous liquid with the same constant speed. The viscous forces experienced by them are in the ratio ……..

When sound waves travel from air to water, which of these remains constant?

The force acting on a body is measured as 4.25 N. Round it off with two significant figure ..