Tag: science & technology

One kg of air is compressed from 1 m3 to 0.5 m3. Which of the following statements is true?

"A body continues in its state of rest or uniform motion in a straight line unless acted upon by a force" is a statement of

The amount of sensible heat gained or lost by a body is the product of its heat capacity and the _______ change.

A mass of 100 kg is moved vertically upwards through a distance of 10 m. If the gravitational acceleration is 9.8 m s-2, then the work done against gravity is

Name the type of electricity produced by friction

If the focal length of a spherical mirror is 50 cm, then its radius of curvature is _______ cm

Which is the 'odd one out'?

The distance between two consecutive crests of a wave is called _______

Convex mirrors always produce virtual, erect and _______ images

The distance between the magnetic north pole and magnetic south pole of a bar magnet is called the