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What is the meant by power of a lens? Ho...

What is the meant by power of a lens? How the power of a lens related with focal length?

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R G PUBLICATION-RAY OPTICS AND OPTICAL INSTRUCMENTS-EXERCISE
  1. For a convex lens for any image prove that 1/v-1/u=1/f.

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

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

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

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

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  6. What are the laws of refraction? Describe.

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

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

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

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

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  11. Write a short note on optical fibre.

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

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

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

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

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  16. What is hypermetropia Describe.

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  17. Draw the ray diagram of a simple microscope.

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  18. Write the working of a compound microscope with a ray diagram for the ...

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  19. Write the working principle of a telescope.

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  20. Derive lens maker's formula for a spherical surface.

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