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A ray of light falls on a transparent sp...

A ray of light falls on a transparent sphere with centre at C as shown in figure. The ray emerges from the sphere parallel to line AB. The refractive index of the sphere is

A

`sqrt(2)`

B

`sqrt(3)`

C

`3/(sqrt(2))`

D

2

Text Solution

Verified by Experts

The correct Answer is:
B
In diagram angle of emergence `=60^(@)`
`:. angleBOC=60^(@) `
`:. r+r'=60^(@) rArr r=30^(@)`
`:. Mu=(sin 60^(@))/(sin 30^(@)) rArr mu =sqrt(3)`
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RESONANCE ENGLISH-PART TEST 4-Exercise
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  9. In a Fresnel biprism experiment the two positions of lens give separat...

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  10. In a compound microscope, the intermediate image is

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  11. The angular dispersion produced by a prism

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  12. A cylinderical optical fibre (quarter circular shape) of refractive i...

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  13. A light is incident on face AB of an equilateral glass prism ABC. Afte...

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  15. An isosceles trapezium of reflecting material of refractive index sqrt...

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  16. A triangular medium has varying refracting index n = n(0) + ax, where ...

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