Question

If beam of green light shines over a beam of red lught which colour

Answer 1

the image i have given

please cross your eyes while looking at the inter phase

you will observe that both lights are overlapping each other none of them get blinded to form a new color

this proves that colors in light are very much different from mixing paints  

Answer 2

Answer:

When the green light shines on a red apple, the red apple absorbs the green light. Since there is no red light shining on the apple, there is no red light to reflect, so the apple appears black.

Explanation:

When the green light shines on a red apple, the red apple absorbs the green light. Since there is no red light shining on the apple, there is no red light to reflect, so the apple appears black.