A ray of light after reflection from a mirror is known as:

1. reflected ray
2. normal
3. incident ray
4. refracted ray

The speed of light is maximum in:

1. glass
2. water
3. air
4. wood

The primary colours are:

1. Red, blue and yellow
2. Magenta, yellow and cyan
3. Red, Blue and cyan
4. Blue, green and red

What do you mean by the term reflection of light?