Question

What we have learnt-
A substance that emits light is a source of light.
The natural sources of light are the sun, the stars, fireflies, etc. T
flame of a candle, an electric bulb, etc. are artificial sources of li
Light is propagated in a straight line.
Light must be reflected from the surface of an object for the ob
If an opaque object obstructs the path of light, it casts a shade
• White sunlight contains seven colours.​

Answer 1

Answer:

1.True

2.False

3.True

4.True

5.False

6.True