Question:

In Young's double slit experiment, if the slit widths are in the ratio 1:2, the ratio of the intensities at maxima will be

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Intensity varies as square of amplitude.
Updated On: Mar 17, 2026
  • 1 : 2
  • 1 : 3
  • 1 : 4
  • 1 : 9
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The Correct Option is C

Solution and Explanation

Intensity is proportional to square of amplitude and amplitude is proportional to slit width. I a² I₁:I₂=1²:2²=1:4
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