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In a compound microscope...

In a compound microscope

A

the objective has a shorter focal length

B

the objective has a shorter aperture

C

(1) and (2)

D

the aperture of objective and eyepiece are same.

Text Solution

Verified by Experts

The correct Answer is:
C
We use objective of shorter focal length and shorter aperture because the object is placed near the lense.
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RESONANCE ENGLISH-GEOMETRICAL OPTICS-Exercise
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  2. The magnifying power of a telescope can be increased

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  3. In a compound microscope

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  4. The minimum magnifying power of a telescope is M. If focal length of i...

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  5. Rainbow is caused due to

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  6. Minimum number of prisms required to make a combination which is 'Achr...

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  7. All the listed things below are made of flint glass. Which one of thes...

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  8. An astronomical telescope has a large aperture to

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  9. Which of the following is possible application of fibre optics?

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  10. The image formed by an objective of a compound microscope is

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  11. To get three images of a single object, one should have two plane mirr...

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  12. The angle of incidence at which reflected light is totally polarised f...

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

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  14. A ray of light travelling in air is incident at grazing incidence on a...

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  15. A beam of light is converging towards a point I on a screen. A plane g...

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  16. A prism having an apex angle 4^(@) and refraction index 1.5 is located...

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  17. A plano-concave lens is placed on a paper on which a flower is drawn. ...

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  18. A beam of diameter 'd' is incident on a glass hemisphere as shown. If ...

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  19. A light ray I is incident on a plane mirror M. The mirror is rotated i...

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  20. The image formed by a concave mirror is twice the size of the object. ...

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