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The relation governing refraction of lig...

The relation governing refraction of light from rarer to denser medium at a spherical refracting surface is

A

`-(mu_(1))/(u) + (mu_(2))/(v) = (mu_(2) - mu_(1))/(R )`

B

`(mu_(1))/(u) + (mu_(2))/(v) = (mu_(2) - mu_(1))/(R )`

C

`(mu_(1))/(u) - (mu_(2))/(v) = (mu_(2) - mu_(1))/(R )`

D

none of these

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The correct Answer is:
A
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PRADEEP-OPTICS-Exercise
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  7. Two lenses of focal lengths 20 cm and - 40 cm are held in contact. The...

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  8. Refraction of light is the phenomenon of………. When it…………. .

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  9. The basic cause of refraction is…………in going…………. .

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  10. The sun is visible to us before actual………….and after………. . This is bec...

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  11. Total internal reflection of light is the phenomenon of………..into……..fr...

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  12. For toat internal reflection, light must travel……………to………….. .

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  13. Total internal reflection will occure only when………………in………….medium is…...

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  14. Mirage is accounted for by………….. .

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  15. When reflection occurs from denser to………….., then (mu(2))/(mu(1)) = ……...

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  16. For a double convex lens R(1) is………….. And R(2) is…………… . Therefore, i...

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  17. One dioptre is……………of focal length……… .

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