You have to design a half-wave plate of quartz crystal for light of wavelength 5800Å. Calculate the thickness of the plate rquired for the purpose if `mu_(e)=1.5508 " and "mu_(0)=1.5418.`
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White light is incident normally on a glass plate (in air) of thickness `500 nm` and refractive index of `1.5`. The wavelength (in `nm`) in the visibl
Correct Answer - B For strong reflection. `2mut=(lambda)/(2),(3lambda)/(2),(5lambda)/(2).....rArr lambda=4mut,(4mut)/(3),(4mut)/(5),(4mut)/(7).....` `rArr 3000 nm. 1000 nm, 600 nm, 333 nm.` `rArr` only option is `600 nm`.
2 Answers 1 views
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2 Answers 2 views
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Correct Answer - `0.7pi `radians
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Correct Answer - `5200 V`
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Correct Answer - (a)`-0.15mJ` (b) `0.15mJ`
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Correct Answer - `(lambda)/(2(mu-1))`
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Correct Answer - `1.135xx10^(-7)`m
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Correct Answer - `1.37xx10^(-5)m`
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Correct Answer - Plane will behave as a quarter wave plate for wavelength `lambda`
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