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How many lenses are there in a terrestri...

How many lenses are there in a terrestrial telescope?

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BINA LIBRARY-Optics-I-EXERCISE
  1. What is the nature of the final image in an astronomical telescope?

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  2. Why an astronomical telescope is not suitable for viewing earthly obje...

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

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

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  5. Define the magnifying power of a telescope.

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  6. Define focus.

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

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

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

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  10. Find an expression for lateral deviation.

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  11. What is the condition for total internal reflection?

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  12. What is the condition for total internal reflection?

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  13. Describe briefly the formation of mirage.

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

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  15. What is meant by despersion of light?

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

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

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

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

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

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