EASY
12th West Bengal Board
IMPORTANT
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Why is interference pattern not detected when two coherent sources are far apart.

Important Questions on Wave Optics

EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 17 - Wave Optics>EXERCISE 17>Q 21
In a straight-slit diffraction pattern, how does the angular width of central maximum change, when the slit width is increased?
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 17 - Wave Optics>EXERCISE 17>Q 21
In a single slit diffraction pattern, how is width of central bright maximum changes when the distance between the slit and the screen is increased?
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 17 - Wave Optics>EXERCISE 17>Q 21
In a single slit diffraction pattern, how is width of central bright maximum changes when light of smaller wavelength is used? Justify your answer.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 17 - Wave Optics>EXERCISE 17>Q 22

Why diffraction of sound wave most easily observed than diffraction of light waves.

EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 17 - Wave Optics>EXERCISE 17>Q 23

Compare and contrast the pattern which is seen with two coherently illuminated narrow slit in Young's experiment with that seen for a coherently illuminated single slit producing diffraction.

EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 17 - Wave Optics>EXERCISE 17>Q 24
What happens when a thin transparent film is placed just in front of one of the two slits in Young's double slit experiment.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 17 - Wave Optics>EXERCISE 17>Q 25
Give an example of interference of light in everyday life.
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 17 - Wave Optics>EXERCISE 17>Q 26
When a wave undergoes reflection at a denser medium, what happens to its phase?