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0 votes
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in Physics by (74.8k points)
When a transparent parallel plate of uniform thickness `t` and refractive index `mu` is interposed normally in the path of a beam of light, the optical path is
A. `(mu+1)t`
B. `(mu-1)t`
C. `((mu+1))/t`
D. `mut`

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1 Answer

0 votes
by (74.1k points)
Correct Answer - B

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