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In Young's double slit experiment, if th...

In Young's double slit experiment, if the widths of the slits are in the ratio `4:9`, the ratio of the intensity at maxima to the intensity at minima will be

A

`169:25`

B

`81:16`

C

`25:1`

D

`9:4`

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The correct Answer is:
C
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TARGET PUBLICATION-INTERFERENCE AND DIFFRACTION-COMPETITIVE THINKING
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  15. Two sources of waves are called coherent if

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  16. The necessary condition for phenomenon of interference NOT to occur is

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  17. If two sources are not coherent, then we obtain

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