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The resolving power of a telesope is mor...

The resolving power of a telesope is more when its objective lens has

A

greater focal length

B

smaller focal length

C

greater diameter

D

smaller diameter

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The correct Answer is:
C
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RESONANCE-GEOMATRICAL OPTICS -Exercise-1
  1. A simple microscope has a focal length of 5 cm . The magnification at...

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  2. In a compound microscope, the intermediate image is

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  3. The resolving power of a telesope is more when its objective lens has

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  4. A Galileo telescope has an objective of focal length 100cm and magnif...

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  5. The convex lens is used in-

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  6. The magnifying power of a simple microscope can be increased, if we us...

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  7. The focal length of the objective lens of a compound microscope is

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  8. Resolving power of a microscope depends upon

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  9. An astronomical telescope has an eyepiece of focal-length 5cm. If the ...

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  10. A person with a defective sight is using a lens having a power of +2D....

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  11. The focal lengths of the objective and eye- lens of a microscope are 1...

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  12. If the focal length of objective and eye lens are 1.2 cm and 3 cm resp...

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  13. Find the angle fo deviation (both clockwise and anti-clock wise)suf...

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  14. Figures shows a plane mirror on which a light ray is incident, if t...

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  15. A light ray is incident on a plane mirror, which after getting refl...

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  16. Sun rays are incident at an angle of 24^(@) with the horizon. How ca...

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  17. Two plane mirrros are placed as shown in the figure and a point objec...

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  18. A point object is placed (0,0) and a plane mirror 'M' is placed, incl...

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  19. A rod of length 5cm lies along the principle axis of a concave mirrro...

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  20. A point source is at a distance 35cm on the optical axos from a sph...

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