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State the expression for linear magnific...

State the expression for linear magnification of a concave mirror in terms of object distance and image distance.

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MODERN PUBLICATION-RAY OPTICS AND OPTICAL INSTRUMENTS-Revision Exercises (Short Answer Questions)
  1. A mobile phone lies along the principal axis of a concave mirror as sh...

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  2. An object AB is kept in front of a concave mirror as shown in the figu...

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  3. State the expression for linear magnification of a concave mirror in t...

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  4. Define refractive index of a transparent medium. A ray of light passes...

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  5. Show by drawing ray diagrams how a totally reflecting glass prism can ...

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  6. Refractive index of glass is 1.5. Find the speed of light in glass and...

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  7. Prove that mu = (1)/(sin C)' where C is the critical angle.

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  8. What is total internal reflection ? What are its conditions ? Establis...

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  9. What is critical angle for a material of refractive index sqrt(2) ?

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  10. What is optical fibre ? On what principle it works ? Give two applicat...

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  11. Explain the term critical angle for a pair of media. Derive a relation...

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  12. State the conditions under which total internal reflection occurs. One...

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  13. A symmetric biconvex lens of radius of curvature R and made of glass o...

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  14. Obtain an expression for focal length of a combination of thin lenses ...

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  15. Two convex lenses of same focal length but of paerture A(1) and A(2)(A...

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  16. Draw the schematic diagram of a Cassegrain telescope.

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  17. Deduce the equivalent focal length of two convex lenses of focal lengt...

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  18. An equiconvex lens of refractive index mu(1), focal length 'f' and ra...

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  19. The image of a candle is formed by a convex lens on a screen. The lowe...

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  20. A figure divided into squares, each of size 1.0 mm^2 is being viewed a...

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