In simple Harmonic motion, the acceleration of the body is _____ proportional to the displacement.

The waves, which are used to detect the broken bones are called:

Which of the following is not processing:

For a normal person audible frequency range for sound wave lies between:

Coulomb’s law is mathematically stated as:

The S.I unit of electric current is:

What happens to the intensity of the brightness of the lamps connected in series as more and more lamps are added?

The cathode ray oscilloscope consists of main parts:

The line which passes through pole of the mirror and center of curvature is called principal:

Value of ‘k’ depends upon:

An example of input device of computer is.

The half life of radium – 226 is 1620 years. If N is its total amount then after the four half lives, its left amount will be: