Name one use of 'LASER' in each of the following areas: (a) communication; (b) medicine; (c) security

A body of mass 20g projected vertically upwards in vacuum returns to the point of projection after 1.2s. [g = 10ms\(^{-2}\)]. Calculate the speed of projection

Solid friction, like viscosity is

The rising of a liquid in an open and ended glass tube of narrow bore is

Which of the following units is equivalent to the watt?

A body of mass 2kg is released from rest on a plane inclined at an angle of 60° to the horizontal. Calculate the acceleration of the body down the plane.[g =...

The total area under a force-velocity graph represents

Which of the following statements about pressure in a liquid is correct?

The slope of a linear distance-times graph represents