Light and Human Eye

16. The primary colors of light are:

a) Red, green, and blue

b) Cyan, magenta, and yellow

c) Red, yellow, and blue

d) Cyan, green, and magenta

17. When red light and green light are mixed, the resulting color seen is:

a) Blue

b) Yellow

c) Cyan

d) Magenta

18. When white light passes through a prism, it is separated into a spectrum of colors due to:

a) Reflection

b) Refraction

c) Diffraction

d) Dispersion

19. The angle of incidence is equal to the angle of:

a) Reflection

b) Refraction

c) Diffraction

d) Dispersion

20. The angle between the incident ray and the normal is called the angle of:

a) Incidence

b) Reflection

c) Refraction

d) Dispersion