Question

1. If one shines red light and green light onto a white piece of paper, the paper will appear _____, and if one shines red light and green light onto a blue piece of paper, the paper will appear

a. black, white

b. yellow, blue

c. yellow, white

d. white, white

e. white, black

f. black, black

g. yellow, black

h. black, blue

2. When one shines a yellow light through a cyan filter, what color light will emerge?

a. blue

b. black

c. green

d. red

Please explain

Answer 1

1) If one shines red light and green light onto a white piece of paper, the paper will appear 'Yellow'

and if one shines red light and green light onto a blue piece of paper, the paper will appear 'White'

So the correct answer will be option (C)

2)  When one shines a yellow light through a cyan filter, 'Green' color light will emerge

So the correct answer will be option (C)

These are simple examples of colour addition which you can simply figure out from the figure given below-