If two sources emit light waves of different amplitudes then in interference pattern

If two sources emit light waves of different amplitudes then in interference pattern
  1. fringes disappear after short time.
  2. brightness of fringes is less.
  3. there is some intensity of light in the region of destructive interference.
  4. fringe width will be less.

Solution

There is some intensity of light in the region of destructive interference.

Asked in: MHT CET 2020 (14 Oct Shift 2)

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