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What is magnifying power of an astronomi...

What is magnifying power of an astronomical telescope? Draw the necessary ray diagram of the final image at distinct vision by an astronomical telecope.

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BINA LIBRARY-Optics-I-EXERCISE
  1. What is astigmatism? How it can be removed?

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  2. The radius of curvature of a spherical mirror is 20 cm. What is its fo...

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  3. What is magnifying power of an astronomical telescope? Draw the necess...

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  4. Prove that 1/f=1/u+1/v in concave mirror for virtual image.

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  5. Prove the relationship1/f= 1/u + 1/v for a convex mirror.

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

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  7. Establish the lens maker's formula for a biconvex lens.

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  8. Deduce the relation 1/v-1/u=1/f for a concave lens.

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  9. Derive the lens formula 1/f=1/v-1/ufor a convex lens.

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  10. What is meant by power of a lens? What is its unit?

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  11. When two thin converging lenses of focal lengths f, and f, are held in...

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  12. What is meant by the angle of minimum deviation of a prism?

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  13. Find a relation between minimum deviation and the refractive index of ...

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  14. Explain why white light is dispersed while passing through a prism.

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  15. What are the two main defects of vision? State how these are rectified...

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  16. With the help of a labelled ray diagram, show the image formation by a...

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  17. Derive an expression for compound microscope's magnifying power.

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  18. Draw a labelled ray diagram of an astronomical telescope for a near po...

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  19. Write down the expression for astronomical magnifying power.

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  20. Draw a labelled ray diagram to show the image formation in an astronom...

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