Question

Write True (T) of False (F) against the following statements in the given brackets:
1. Light is not a form of energy. ( )
2. A virtual image cannot be obtained on a screen. ( )
3. Yellow is a primary colour. ( )
4. A lens which is thicker in the middle and thinner at edges is called a convex lens. ( )
5. The behind of rays of light on passing through a medium is called dispersion. ( )

Answer 1

1. False
Light is a form of energy.

2. True

3. False
Red, green and blue are the primary colours.

4. True

5. False
Dispersion is the splitting of white light into its seven constituent colours. The bending of light rays on passing through a medium is called refraction.