Physics Past Questions

The direction of the path taken by light is called a

What is the inductance (L) of an inductor whose reactance is 1 ohm at 50/pi hertz?

A stroboscope can be used to make a periodic wave appear

In an inelastic collision, which of the following statements is/are correct? I. Kinetic energy is conserved II. Kinetic energy is decreased III. Kinetic energy is increased IV. Linear momentum is conserved

A body floats in a fluid when it

The general gas law can be expressed as

A passenger saw what appeared to be a pool of water ahead on a hot road on a sunny day. Which of the following explains this observation?

Which of the following is NOT a luminous object?

The resultant linear force of a couple is

A vector quantity can only be completely described when both its

In which of the following devices is the thermal expansion of a solid a disadvantage? I. Simple pendulum II. Fire alarm III. Thermostat IV. Bimetallic thermometer

An object situated at a height above the ground at a stationary position possesses