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A fly is sitting on the objective of a t...

A fly is sitting on the objective of a telescope pointed to the moon.What effect is expected in the photograph of the moon taken through the telescope?

A

The entire field of vision is blocked

B

there is an image of the fly on the photograph

C

there is no effect at all

D

The image of the moon is of lesser intensity.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. An observer looks at a tree of height 15 m with a telescope of magnify...

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  2. Magnifying power of a telescope is m.If the focal length of the eye-pi...

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  3. A fly is sitting on the objective of a telescope pointed to the moon.W...

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  4. A telescpe is focussed on the moon.If a tiny drop of ink falls on its ...

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  5. For observing a cricket match,binocular is prefferred to tererestrial ...

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  6. A reflecting telescope utilizes

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  7. The resolving power of a telescope depends upon

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  8. Large aperture telescopes are used for

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  9. Light has the following wave property:

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  10. Which of the following produces a plane wavefront?

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  11. As a plane wavefront propagates, its radius of curvature

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  12. A plane wavefront is propagating in a medium.Which of the following is...

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  13. Which of the following is a correct statement ?The ray of light

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  14. Though quantum theory of light can explain a number of phenomena obser...

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  15. Hiygens' concept of secondary waves

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  16. Which one off the following phenomena is not explained by Huygens' con...

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  17. Two points are situated at the same distance from a source of light bu...

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  18. One important similarity between sound and light waves in that both

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  19. Monochromatic light means

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  20. Two waves of the same frequency and same intensity are superimposed in...

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