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The astronomical telescope consists off ...

The astronomical telescope consists off objective and eye-piece.The focal length of the objective is

A

five times shorter than that of the eye - piece.

B

equal to that of the eye-piece

C

greater than that of the eye-piece

D

shorter than that of the eye-piece.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. The focal length of the objective and eye piece of a telescope are res...

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  2. A telescope has an objective lens of focal length 200 cm and an eye pi...

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  3. The astronomical telescope consists off objective and eye-piece.The fo...

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  4. Four lenses of focal length + 10 cm,+50 cm,+100 cm and + 200 cm are av...

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  5. According to Huygen's principle, light is a form of

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  6. Light propagates rectilinearly,because of its

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  7. Why does light appear to travel in straight line inspite of its wave n...

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  8. Interference occurs in which of the following waves?

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  9. Ratio of inensitties of two waves is 9:1 iff these waves are superimpo...

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  10. Two waves of intensities I and 4 I superimpose, then maximum and minim...

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  11. What happens to fringe width in the Young's double slit experiment,if ...

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  12. A monochromatic beam of light is used for the formation of fringes on ...

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  13. What is the path difference for destructive interfernce?

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  14. Monochromatic ligth of wavelgth 6,000 overset @A is used in a Young's ...

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  15. What happens,if the monochromatic light used in Young's double slit ex...

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  16. The Young's double-slit experiment is done in a medium of refractive i...

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  17. Colours appear on a thin soap film and soap bubbles due to the phenome...

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  18. When a beam of light is usd to deterine the position of an object,the ...

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  19. Answer the following questions: In a single slit diffraction experimen...

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  20. An astonaut is lookin down on earth's surface from a space shuttle at ...

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