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Question: Answered & Verified by Expert
If two sources emit light waves of different amplitudes then
PhysicsWave OpticsMHT CETMHT CET 2021 (22 Sep Shift 2)
Options:
  • A brightness of fringes is less
  • B fringes disappear after short time
  • C fringe width is less
  • D there is some intensity of light in the region of destructive interference
Solution:
2526 Upvotes Verified Answer
The correct answer is: there is some intensity of light in the region of destructive interference
If amplitudes are different, then in the region of destructive interference, the two waves do not cancel each other completely, hence there is some intensity or light.

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