PHYSICS [1 Mark Question Answer]

When a large number of rays if a beam is emerging from a point source of light, then the beam is called a divergent beam.

When a large number of rays if a beam focuses at one point it is called a convergent beam of light.

When Rays from a distant point source travel parallel to each other in a particular direction, it forms a parallel Light Beam.

The light traveling in any one direction in a straight line is called a ray of light.

Non Luminous Bodies do not emit light energy of their own but reflect the light energy falling on them. For example, metals, stones, trees, bushes, furniture, houses etc.

Three examples are stars, glowing bulbs and burning candles.

We can see the light with sensation of vision.

A collection of rays coming from different directions meet at a point. Such a collection is called convergent beam.

Stars are luminous bodies.

Dust filled air is an translucent body.

Moon is a non-luminous body.