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Total internal reflection of light is th...

Total internal reflection of light is the phenomenon of………..into……..from……….. .

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reflection of light , denser medium , interface of denser and rarer medium.
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PRADEEP-OPTICS-Exercise
  1. The basic cause of refraction is…………in going…………. .

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

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

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

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

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  6. Mirage is accounted for by………….. .

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

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

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

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  10. A mark is made on the bottom of beaker and a microscope is focussed on...

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  11. Calculate the speed and wvaelength of light (i) in glass (ii) in air, ...

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  12. The refractive index of diamond is 2.47 and that of glass is 1.51. How...

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  13. A pond of depth 20 cm is half filled with an oil of mu = 1.4 and the o...

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  14. A ray of light is incident at an angle of 60^(@) on one face of a rect...

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  15. In Fig. find the maximum angle i for which light suffers total interna...

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  16. Calculate the critical angle for glass air surface if a ray of light w...

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  17. A small bulb (assumed to be a point source) is placed at the bottom of...

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  18. The refractive indices of glycerine and water are 1.46 and 1.33 repect...

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  19. A point source of monochromatic light 'S' is kept at the centre of the...

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  20. When a fish looks up the surface of a perfectly smooth lake, the surfa...

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