In Young's double slit experiment, the two coherent sources have different intensities. If the ratio of maximum intensity to the minimum intensity in the interference pattern produced is $25 : 1$ . What was the ratio of intensities of the two sources?

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Important Questions on Wave Optics

MEDIUM

12th Maharashtra Board

IMPORTANT

Physics Standard 12>Chapter 7 - Wave Optics>Exercises>Q 1

In Young's double slit experiment, a thin uniform sheet of glass is kept in front of the two slits, parallel to the screen having the slits. The resulting interference pattern will satisfy

EASY

12th Maharashtra Board

IMPORTANT

Physics Standard 12>Chapter 7 - Wave Optics>Exercises>Q 2

What are primary and secondary sources of light?

MEDIUM

12th Maharashtra Board

IMPORTANT

Physics Standard 12>Chapter 7 - Wave Optics>Exercises>Q 2

What is a wavefront? How is it related to rays of light? What is the shape of the wavefront at a point far away from the source of light?

MEDIUM

12th Maharashtra Board

IMPORTANT

Physics Standard 12>Chapter 7 - Wave Optics>Exercises>Q 2

Why are multiple colours observed over a thin film of oil floating on water? Explain with the help of a diagram.

MEDIUM

12th Maharashtra Board

IMPORTANT

Physics Standard 12>Chapter 7 - Wave Optics>Exercises>Q 2

In Young's double slit experiment what will we observe on the screen when white light is incident on the slits, but one slit is covered with a red filter and the other with a violet filter? Give reasons for your answer.

EASY

12th Maharashtra Board

IMPORTANT

Physics Standard 12>Chapter 7 - Wave Optics>Exercises>Q 2

Explain what is optical path length. How is it different from actual path length?

HARD

12th Maharashtra Board

IMPORTANT

Physics Standard 12>Chapter 7 - Wave Optics>Exercises>Q 3

Using Huygens' principle, establish the law of reflection.

MEDIUM

12th Maharashtra Board