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Define critical angle for total internal...

Define critical angle for total internal reflection.

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If the critical angle for total internal reflection from medium to vacuum is 30^@ , then what is the velocity of light in the medium ?

If the critical angle for total internl reflection from a medium to vacuum is 30^@ then velocity of light in the medium is:

Give illustrative examples for total internal reflection.

Total inrternal reflection tkes place

PUNJAB BOARD PREVIOUS YEAR PAPERS-Refraction of Light and Lenses-EXERCISE
  1. Why does a diamond sparkle?

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  2. Derive Lens formula for[frac(1)(v)-frac(1)(u)= frac(1)(f)] a thin conv...

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  3. Define critical angle for total internal reflection.

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  4. Derive the relation:- frac(mu2)(v) - frac(mu1)(u) = frac(mu2 - mu1) (R...

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  5. Derive Lens formula for[frac(1)(v)-frac(1)(u)= frac(1)(f)] a thin conv...

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  6. Derive the relation:- frac(mu2)(v) - frac(mu1)(u) = frac(mu2 - mu1) (R...

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  7. A convex lens made of a material of refractive index mu1 is kept ih a...

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  8. Derive the relation:- frac(mu2)(v) - frac(mu1)(u) = frac(mu2 - mu1) (R...

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  9. Derive expression for the lens maker’s formula i.e.: frac(1)(f)= (mu-1...

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  10. Derive the relation:- frac(mu2)(v) - frac(mu1)(u) = frac(mu2 - mu1) (R...

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  11. Derive the relation:- frac(mu2)(v) - frac(mu1)(u) = frac(mu2 - mu1) (R...

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  12. What is total internal reflection, state the necessary conditions for ...

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  13. Derive the relation:- frac(mu2)(v) - frac(mu1)(u) = frac(mu2 - mu1) (R...

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  14. What is the relation between focal length and radius of curvature of a...

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  15. By giving sign-conventions, derive the lens formula relating object di...

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  16. Derive Lens formula for[frac(1)(v)-frac(1)(u)= frac(1)(f)] a thin conv...

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  17. Derive Lens formula for[frac(1)(v)-frac(1)(u)= frac(1)(f)] a thin conv...

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  18. Derive Lens formula for[frac(1)(v)-frac(1)(u)= frac(1)(f)] a thin conv...

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  19. Derive the relation:- frac(mu2)(v) - frac(mu1)(u) = frac(mu2 - mu1) (R...

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  20. Derive Lens formula for[frac(1)(v)-frac(1)(u)= frac(1)(f)] a thin conv...

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