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The critical angle of glass is 30^@.If t...

The critical angle of glass is `30^@`.If the glass is placed in water what will be the critical angle refractive index of water 1.33?

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R G PUBLICATION-RAY OPTICS AND OPTICAL INSTRUCMENTS-EXERCISE
  1. Prove that 1/f=1/u+1/v in concave mirror for virtual image.

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  2. What is meant by critical angle for a pair of medium? Find the relatio...

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  3. The critical angle of glass is 30^@.If the glass is placed in water wh...

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  4. The angle of prism is 60^@ and the refractive index of the matter of t...

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  5. For a convex lens for any image prove that 1/v-1/u=1/f.

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  6. State the function of each of the following parts of the human eye;- ...

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  7. What is the meant by power of a lens? How the power of a lens related ...

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  8. Write down the lens makers formula. Will there be change of focal leng...

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  9. Draw a neat diagram of image formated by a concave mirror with an obje...

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  10. What are the laws of refraction? Describe.

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  11. Draw a ray diagram to show the lateral shift of a ray refracted throug...

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  12. Write an experimental denomstration to show the total internal reflect...

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  13. Give some examples of total internal reflection in nature.

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  14. What is optical fibres? What principle is used in it?

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  15. Write a short note on optical fibre.

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  16. Deduce the equation for the refraction at a spherical surface seperati...

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  17. Deduce the familiar thin lens formula 1/v-1/u=1/f.

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  18. What is dispersion by a prism. Write with a ray diagram.

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  19. Write a brieft note on formation of a rainbow.

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  20. What is hypermetropia Describe.

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