1. What type of lens is used to correct hypermetropia?

a) Concave

b) Convex

c) Plano-concave

d) Plano-convex

2. What is the angle of deviation for a prism with an angle of incidence of 30 degrees and an angle of refraction of 40 degrees?

a) 10 degrees

b) 20 degrees

c) 30 degrees

d) 40 degrees

3. What is the critical angle for a medium with a refractive index of 1.5?

a) 42.4 degrees

b) 45 degrees

c) 48.6 degrees

d) 51.4 degrees

4. What is the formula for the refractive index of a medium?

a) n = c/v

b) n = v/c

c) n = c/f

d) n = f/c

5. What is the term used to describe the bending of light as it passes through a medium with a varying refractive index?

a) Refraction

b) Dispersion

c) Diffraction

d) Interference

6. What is the name of the phenomenon where light is reflected off a surface at an angle equal to the angle of incidence?

a) Specular reflection

b) Diffuse reflection

c) Refraction

d) Interference

7. What is the name of the phenomenon where light is reflected off a rough surface in many directions?

a) Specular reflection

b) Diffuse reflection

c) Refraction

d) Interference

8. What is the name of the phenomenon where light is split into its component colors as it passes through a prism?

a) Dispersion

b) Diffraction

c) Interference

d) Refraction

9. What is the name of the phenomenon where light waves interact with one another to create patterns of light and dark areas?

a) Interference

b) Diffraction

c) Dispersion

d) Refraction

10. What is the term used to describe the ability of a lens to bring light rays to a single point of focus?

a) Convergence

b) Divergence

c) Refraction

d) Interference

Answers:

1. b
2. a
3. a
4. b
5. a
6. a
7. b
8. a
9. a
10. a