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A refractive indices of glycerine and wa...

A refractive indices of glycerine and water are `1.46` and `1.33` respectively. What is the critical angle when the ray passes from gycerine to water ?

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The correct Answer is:
`65^@ 38'`
`.^omega mu_g = (1.46)/(1.33) = (1)/(sin C)` , Calculate `C`.
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PRADEEP-RAY OPTICS-Problem For Practice(b)
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  2. A small bulb (assumed to be a point source) is placed at the bottom of...

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  3. A refractive indices of glycerine and water are 1.46 and 1.33 respecti...

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

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

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  6. A right prism is to be made by selecting a proper material and the ang...

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  8. Calculate the speed of light in a medium whose critical angle is 45^@.

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  9. Velocity of light in a liquid is 1.5 xx 10^(8) m//s and in air, it is ...

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  10. A small air bubble in a glass sphere of radius 2 cm appears to be 1 cm...

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  11. An object is placed 50 cm from the surface of a glass sphere of radius...

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  12. A spherical surface of radius 30 cm separates two transparent media A ...

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  13. An air bubble in a glass sphere (mu = 1.5) is situated at a distance 3...

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  14. A convex refracting surface of radius of curvature 20 cm separates two...

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  15. A sphere of glass (mu = 1.5) is of 20 cm diameter. A parallel beam ent...

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  16. A beam of light strikes a glass sphere of diameter 15 cm convering tow...

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  17. One end of a horizontal cylindrical glass rod (mu=1.5) of radius 5.0 c...

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  18. A spherical convex surface separates object and image space of refract...

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  19. The radii of curvatureof double convex lens of glass (mu = 1.5) are in...

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  20. A convex lens of focal legnth 0.2 m and made of glass (mu = 1.50) is ...

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