The refractive index of a prism for a monochromatic wave is `sqrt(2)` and its refracting angle is `60^(@)` for minimum deviation, the angle of indiden
The refractive index of a prism for a monochromatic wave is `sqrt(2)` and its refracting angle is `60^(@)` for minimum deviation, the angle of indidence will be
A. `30^(@)`
B. `45^(@)`
C. `60^(@)`
D. `75^(@)`
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Correct Answer - B
(b) Refractive index,
`µ=(sin i)/(sinA//2)`
`rArr sqrt2=(sini)/(sin(60^(@)//2))orsqrt2xxsin30^(@)=sin i`
`or sqrt2xx1/2=sinirArri=45^(@)`
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