The speed of light is maximum in:

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

A red rose is seen in green light. It will appear:

1. red
2. blue
3. yellow
4. black

Assertion (A): Mixing a red, green and blue light gives white light.

Reason (R): Red, green and blue are secondary colours.

1. Both A and R are true and R is the correct explanation of A
2. Both A and R are true and R is not the correct explanation of A
3. A is true but R is false
4. A is false but R is true

Assertion (A): A red rose appears red in white light.

Reason (R): This is because it reflects all colours of light and absorbs red colour.

1. Both A and R are true and R is the correct explanation of A
2. Both A and R are true and R is not the correct explanation of A
3. A is true but R is false
4. A is false but R is true