Question:medium
Young's double slit experiment is first done in air and then in a medium of refractive index \(\mu\). If the \(7\)th dark fringe in the medium lies where the \(4\)th bright fringe is in air, then the value of \(\mu\) is:
Young's double slit experiment is first done in air and then in a medium of refractive index \(\mu\). If the \(7\)th dark fringe in the medium lies where the \(4\)th bright fringe is in air, then the value of \(\mu\) is:
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In a medium, fringe width becomes \(\beta' = \frac{\beta}{\mu}\). For dark fringes, carefully check the counting convention used in the question.
Updated On: May 6, 2026
- \(1.654\)
- \(1.389\)
- \(1.875\)
- \(1.768\)
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The Correct Option is C
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