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In the figure shown sin i/sin r is equal...

In the figure shown `sin i/sin r` is equal to

A

`(mu_2^2)/(mu_3mu_1)`

B

`mu_3/mu_1`

C

`(mu_3mu_1)/(mu_2^2)`

D

`mu_1/mu_3`

Text Solution

Verified by Experts

The correct Answer is:
B
`mu_1sini_1=mu_3sini_3`
`:. mu_1sini=mu_3sinr` or `sini/sinr=mu_3/mu_1`
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DC PANDEY ENGLISH-REFRACTION OF LIGHT-Level 1 Objective
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  2. When light enters from air to water, then its

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  3. In the figure shown sin i/sin r is equal to

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  4. In figure, the reflected ray B makes an angle 90^@ with the ray C. If ...

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  5. A prism of apex angle A=60^@ has the refractive index mu=sqrt2. The an...

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  6. A thin equi-convex lens is made of glass of refractive index 1.5 and i...

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  7. A ray of light, travelling in a medium of refractive index 'mu, is inc...

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  8. The given equi-convex lens is broken into four parts and rearranged as...

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  9. A thin convergent glass lens (mug=1.5) has a power of +5.0D. When this...

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  10. Two convex lenses of focal length 10 cm and 20 cm respectively placed ...

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  11. A prism can have a maximum refracting angle of (thetaC=critical angle ...

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  12. A ray is ihncident at an angle of incidence ii on one surface of a pri...

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  13. The refracting angle of a prism is A and refractive index of the mater...

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  14. A prism of refractive index sqrt2 has refractive angle 60^@. In the or...

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  15. The focal length of a combination of two lenses is doubled if the sep...

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  16. A convexo-concave convergent lens is made of glass of refractive index...

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  17. An optical system consists of a thin convex lens of focal length 30 cm...

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  18. In the figure shown, the angle made by the light ray with the normal i...

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  19. For refraction through a small angled prism, the angle of minimum devi...

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  20. A ray of light passes from vaccum into a medium of refractive index n....

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