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Young's double-slit experiment is conduc...

Young's double-slit experiment is conducted in water `(mu_(1))` as shown in figure and a glass plate of thickness t and refractive index `mu_(2)` is placed in the path of `S_(2)`. Find the magnitude of the optical path difference at 'O'.

A

`|((mu_(2))/(mu_(1))-1)t|`

B

`|((mu_(1))/(mu_(2))-1)t|`

C

`|(mu_(2)-mu_(1))t|`

D

`|(mu_(2)-1)t|`

Text Solution

Verified by Experts

The correct Answer is:
C
`(S_(1)O)_("optical")=mu_(1)(S_(1)O)`
`(S_(2)O)_("optical")=mu_(1)(S_(2)O)-t+mu_(2)t`
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