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An object AB is kept in front of a conca...

An object AB is kept in front of a concave mirror as shown in the figure.
(i) Complete the ray diagram showing the image formation of the object.
(ii) How will the position and intensity of the image be affected if the lower half of the mirror's reflecting surface is painted black ?

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MODERN PUBLICATION-RAY OPTICS AND OPTICAL INSTRUMENTS-Revision Exercises (Short Answer Questions)
  1. The graph between (1)/(v) and (1)/(u) for a concave mirror looks like.

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  2. A mobile phone lies along the principal axis of a concave mirror as sh...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  17. Draw the schematic diagram of a Cassegrain telescope.

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

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

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

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