Question

FILL IN THE BLANKS.
1. A spherical mirrors have---------shiny surfaces.
2. Dish TV antennae have --------shape.
3. Image that cannot be projected on a wall is known as--------
4. Sunlight consist of ---------colours.
5. The property of light travelling in straight line is known as--------propagation of light.​

Answer 1

1. Many.

2. Parabolic antenna.

3. Virtual Image.

4. Many.

5. rectilinear