IMSU Physics 2013/2014 Past Questions

When an object is lifted 10 meters, it gains a certain amount of potential energy. If the same object is lifted 20 meters, its potential energy gain is

In which of the following material media sound travel fastest?

Calculate the angle of minimum deviation for a ray which is refracted through an equiangular prism of refractive index 1.4

What happens to the rays in a parallel beam of light?

A ray of light makes an angle of 35° with a plane mirror. What is the angle of reflection?

The pitch of a sound note depends on

If the angle between two vectors P and Q is 0°, the vectors are said to

A machine whose efficiency is 60% has a velocity ratio of 5. If a force of 500N is applied to lift a load P, what is the magnitude of P?

A body of mass 4kg is acted on by a constant force of 12N for 3 seconds. The kinetic energy gained by the body at the end of the time is:

As the pressure of a fluid increases, its viscosity

fluorescent tubes produce light by