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By what length is the tube of a terrestr...

By what length is the tube of a terrestrial telescope longer than the astronomical telescope?

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BINA LIBRARY-Optics-I-EXERCISE
  1. Why an astronomical telescope is not suitable for viewing earthly obje...

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  2. How many lenses are there in a terrestrial telescope?

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  3. By what length is the tube of a terrestrial telescope longer than the ...

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  4. Define the magnifying power of a telescope.

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  5. Define focus.

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  6. Draw a lebelled ray diagram to show the formation of image using a con...

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  7. Draw diagram to show formation of virtual image by a concave mirror.

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  8. Find an expression for the linear magnification of a real and a virtua...

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  9. Find an expression for lateral deviation.

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  10. What is the condition for total internal reflection?

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  11. What is the condition for total internal reflection?

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  12. Describe briefly the formation of mirage.

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  13. Establish the following relation for total deviation delta of a ray li...

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  14. What is meant by despersion of light?

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  15. Write a brieft note on formation of a rainbow.

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  16. If an eye produces too much covergence in the incident beam what is th...

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  17. What is astigmatism? How it can be removed?

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  18. What is astigmatism? How it can be removed?

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

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

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