Light and Human Eye

21. The angle between the refracted ray and the normal is called the angle of:

a) Incidence

b) Reflection

c) Refraction

d) Dispersion

22. The angle of refraction is dependent on the:

a) Wavelength of light

b) Intensity of light

c) Speed of light

d) Angle of incidence

23. The phenomenon in which light waves are bent and spread out as they pass through a narrow slit is called:

a) Reflection

b) Diffraction

c) Refraction

d) Dispersion

24. The phenomenon in which light waves bounce off a surface is called:

a) Reflection

b) Diffraction

c) Refraction

d) Dispersion

25. The phenomenon in which light waves are separated into different colors is called:

a) Reflection

b) Diffraction

c) Refraction

d) Dispersion