BUK Physics 2013/2014 Past Questions

Light year is a unit of

Mirage is due to

Pa (Pascal) is the SI unit of

Metals are good conductors of electricity because

The resistance of a piece of wire of 20m length and cross sectional area 8 × 10^-6m² is

If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then both bodies acquire the same

Which of the following is a scalar quantity

Rectifiers are used to convert

A force of 200N acts between two objects at a certain distance apart. The value of the force when the distance is halved is

Inside an aeroplane, flying at a high altitude,

One thousand microns is equal to

Sound travels at a faster rate in

The correct unit of energy density is

Superconductors are substances which

An object placed 10cm from a concave mirror of focal length 5cm would have its image

Which of the following radiations have the highest frequency

When a ray of light is incident normally on an air-glass interface, its angle of refraction is

Which gas is filled in refrigerators

The efficiency of air-conditioning machines is measured in

When a bar of magnet is cut into two equal halves, the pole strength of each piece

Which of these instruments is used to view distant objects

What colour would you get if you mix equal quantity of blue and yellow

The sky appears blue due to which property of the length

At what angle to the horizontal must the nozzle of a machine gun be kept when firing to obtain a maximum horizontal range for the bullets