EASY
12th Odisha Board
IMPORTANT
Earn 100

Explain and illustrate what you mean by plane wavefront.

Important Questions on Wave Optics and Interference

MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 14 - Wave Optics and Interference>MODEL QUESTIONS>Q 3
How is the refractive index of a medium related to the velocity of light according to Huygens' Principle? What is the importance of this relation?
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 14 - Wave Optics and Interference>MODEL QUESTIONS>Q 4
When light waves from two coherent sources interfere, they produce darkness at some points. What becomes of the energy ?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 14 - Wave Optics and Interference>MODEL QUESTIONS>Q 5
Two tuning forks can produce interference; but two independent sources of light (like two candles) cannot produce interference - Explain.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 14 - Wave Optics and Interference>MODEL QUESTIONS>Q 6
If a broad sources of light is used in place of the very narrow slit in the Young's experiment, how will the interference pattern be affected ? Explain.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 14 - Wave Optics and Interference>MODEL QUESTIONS>Q 7
What type of interference pattern will be observed, if a white light source in place of monochromatic source of light is used in Young's experiment ?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 14 - Wave Optics and Interference>MODEL QUESTIONS>Q 8

When we try to clean spectacle lenses with water, the glass becomes more non reflecting as the water evaporates.

Explain.

MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 14 - Wave Optics and Interference>MODEL QUESTIONS>Q 9
What will happen to interference pattern if Young's apparatus is placed under water ?
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 14 - Wave Optics and Interference>MODEL QUESTIONS>Q 10

State the reason, why two independent sources of light cannot be considered as coherent sources.