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The graph between (1)/(v) and (1)/(u) fo...

The graph between `(1)/(v)` and `(1)/(u)` for a concave mirror looks like.

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For a concave mirrorr, if real image is formed the graph between (1)/(u) and (1)/(v) is of the form

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A student measures the focal length of a convex lens by putting an object pin at a distance u from the lens and measuring the distance v of the image pin. The graph between u and v plotted by the student should look like

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MODERN PUBLICATION-RAY OPTICS AND OPTICAL INSTRUMENTS-Revision Exercises (Short Answer Questions)
  1. The relation between focal length f and radius of curvature R of a sph...

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  2. The correct expression for refraction at single convex spherical surfa...

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  3. The graph between (1)/(v) and (1)/(u) for a concave mirror looks like.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  19. Draw the schematic diagram of a Cassegrain telescope.

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

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