1. What is the phenomenon that occurs when two or more waves meet at the same point in space?

a) Refraction

b) Diffraction

c) Interference

d) Reflection

2. Which type of interference results in constructive interference?

a) In-phase

b) Out-of-phase

c) Diffuse

d) Coherent

3. What is the condition for destructive interference to occur in Young's double-slit experiment?

a) The path difference is an integer multiple of the wavelength

b) The path difference is an odd multiple of the wavelength

c) The path difference is an even multiple of the wavelength

d) The path difference is a fraction of the wavelength

4. What type of interference pattern is produced by a single-slit diffraction?

a) Constructive

b) Destructive

c) Interference

d) Diffraction

5. Which type of interference is observed when light passes through a thin film?

a) Interference by division of wavefront

b) Interference by division of amplitude

c) Interference by division of intensity

d) Interference by division of phase

6. What is the condition for maximum constructive interference in a thin film?

a) The path difference is an integer multiple of the wavelength

b) The path difference is an odd multiple of the wavelength

c) The path difference is an even multiple of the wavelength

d) The path difference is equal to the thickness of the film

7. Which type of interference is observed when light is reflected by two surfaces?

a) Interference by division of wavefront

b) Interference by division of amplitude

c) Interference by division of intensity

d) Interference by division of phase

8. What is the condition for maximum constructive interference in a reflection by two surfaces?

a) The path difference is an integer multiple of the wavelength

b) The path difference is an odd multiple of the wavelength

c) The path difference is an even multiple of the wavelength

d) The angle of incidence is equal to the angle of reflection

9. Which type of interference is observed when light is refracted by two surfaces?

a) Interference by division of wavefront

b) Interference by division of amplitude

c) Interference by division of intensity

d) Interference by division of phase

10. What is the condition for maximum constructive interference in a refraction by two surfaces?

a) The path difference is an integer multiple of the wavelength

b) The path difference is an odd multiple of the wavelength

c) The path difference is an even multiple of the wavelength

d) The angle of incidence is equal to the angle of refraction

Answers:

- C
- A
- C
- D
- B
- D
- C
- D
- B
- D