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Define the terms of radius of curvature....

Define the terms of radius of curvature.

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The distance between the pole and the centre of the mirror is called the radius of curvature of the concave or convex mirror.
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SUBHASH PUBLICATION-RAY OPTICS AND OPTICAL INSTRUMENTS-TWO MARKS QUESTIONS WITH ANSWERS
  1. Define the terms of pole and centre of curvature of a spherical mirro...

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  2. Define the terms of pole and centre of curvature of a spherical mirro...

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  3. Define the terms of radius of curvature.

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  4. Define the terms of principal axis of a mirror.

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  5. Give the Cartesian sign convention for measuring distances in spherica...

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  6. Identify the terms of paraxial rays .

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  7. Identify the terms of marginal rays of light.

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  8. Define the terms of principal focus F.

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  9. Define the terms of focal plane of the mirror.

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  10. Draw ray diagrams to show rays of light converging or appear diverging...

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  11. Define focal length of a mirror and hence relate focal length and radi...

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  12. Why do thick lenses show more chromatic aberration than thin lenses?

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  13. Explain why convex lenses converge incident beam of light whereas conc...

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  14. Draw a neat labelled diagram to show (i) primary rainbow and (ii) seco...

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  15. Explain why the colour of the sky is blue (Cyan).

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  16. Define angular magnification.

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  17. Draw a neat labelled diagram of Cassegrain reflecting telescope.

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  18. Can plane and convex mirrors produce real images? Give an explanation ...

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  19. Answer the following questions: (b) A virtual image, we always say, ...

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  20. Write the formula for the lateral shift and explain the symbols used.

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