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To increse magnifying power of telescope...

To increse magnifying power of telescope,we sould increase:

A

the focal length of the objective

B

the focal length of the eyepiece

C

aaperture of the objective

D

aperture of the eyepiece.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. An astronomical telescope of ten fold angular magnification has a leng...

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  2. The magnifying power of telescope is high,if

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  3. To increse magnifying power of telescope,we sould increase:

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  4. A telescope has focal elngth of objective and eyepiece as 200 cm and 5...

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  5. If size of aperture is decreased,

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  6. The objective with large aperture are used in telescope for

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  7. If in Rmsden's eyepiece,the field lenses have focal lengths f1 and f2 ...

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  8. Huygens' wave theory allows us to know:

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  9. Which of the following does not support the wave nature of light?

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  10. Huygen's wave theory of light could not explain

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  11. Hiygens' concept of secondary waves

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  12. In the ineterference pattern,the energy is

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  13. Two waves of the same equency and intenisty superimpose with each othe...

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  17. Two sources of light of wavelenghs 2.500 overset @A and 3,500 overst @...

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  18. In Yound's double slit experiment,wer get 15 fringes per cm on the scr...

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