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The focal length of the objective lens o...

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

A

arbitrary

B

less than the focal length of eyepiece

C

equal to the focal length of eyepiecs

D

greater than the focal length of eyepiece

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The correct Answer is:
B
N//a
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RESONANCE-GEOMATRICAL OPTICS -Exercise-1
  1. The convex lens is used in-

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

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

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  4. Resolving power of a microscope depends upon

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

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

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

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

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

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

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

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

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

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

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

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

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  19. A converging beam of light rays in incident on a concave spherical ...

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