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Young's double slit experiment is made in a liquid. The tenth bright fringe in liquid lies on screen where $\mathrm{6^{\text {th }}}$ dark fringe lies in vacuum. The refractive index of the liquid is approximately:
Option: 1
1.8

Option: 2
1.54

Option: 3
1.67

Option: 4
1.2

Answers (1)

best_answer

We have, $\mathrm{5.5 \beta=10 \beta^{\prime}}$

$\mathrm{ \therefore \frac{\beta}{\beta^{\prime}}=\frac{10}{5.5}=\mu=1.81 }$

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Ritika Jonwal

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