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The wavelength of light in two liquids ...

The wavelength of light in two liquids ‘ x ' and ‘ y ' is 3500 Å and 7000 Å, then the critical angle of x relative to y will be

A

`60^(@)`

B

`45^(@)`

C

`30^(@)`

D

`15^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
(c ) Critical angle,
sinC=`(n_(2))/(n_(1))=(lambda_(1))/(lambda_(2))rArrsinC=3500/7000=1/2`
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DC PANDEY-RAY OPTICS-Checkpoint 9.3
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