The waves in which particles of the medium vibrate parallel
to the direction of waves are called:
Bouncing back of light after striking the surface is called:
The electrostatic force acting on two charges each of 1C
separated by 1m is about:
What happens to the intensity or the brightness of the lamps
connected in series as more and more lamps are added:
In liquids and gases the current is due to the motion of:
