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Light travels in a mica sheet of refract...

Light travels in a mica sheet of refractive index `1.4` and length 10 cm. Find the optical path equivalent to length of the sheet.

Text Solution

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Given, length of the sheet, `t=10` cm
refractive index, `mu=1.4`
:. Optical path `=mut=(1.4)xx(10)=14 cm`
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