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The focal length of the objective of a c...

The focal length of the objective of a compound microscope is `f_0` and its distance from the dyepiefe is L. The object is placed at a distance u from the objective. For proper working of the instrument.,

A

`(i),(ii)`

B

`(ii),(iii)`

C

`(ii),(iv)`

D

`(i),(iv)`

Text Solution

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The correct Answer is:
C
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CP SINGH-OPTICAL INSTRUMENTS-EXERCISES
  1. In a compound microscope, the intermediate image is

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  2. The focal lengths of the objective and of the eye-piece of a compound ...

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  3. The focal length of the objective of a compound microscope is f0 and ...

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  4. When the length of a microscope tube increases, its magnifying power

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  5. An astronomical telescope has an angular magnification of magnitude 5 ...

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  6. Four convergent lenses have focal lengths 100cm, 10cm, 4cm and 0.3cm. ...

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  7. A planet is observed by an astronomical refracting telescope having an...

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  8. A simple telescope, consisting of an objective of focal length 60cm an...

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  9. The diameter of the moon is 3.5xx10^(3)km and its distance from the ea...

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  10. In an astronomical telescope in normal adjustment a straight black lin...

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  11. An astronomical telescope in normal adjustement receives light from a ...

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  12. In the pervious quenstion, if the tube length is increased slightly fr...

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  13. In a reflecting astronomical telescope, if the objetcive (a spherical ...

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  14. If the focal length of the objective lens is increased then

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  15. For observing cricket math a binocular is preferred to a terrestrial t...

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  16. In which of the following that final image is erect? (i) Simple mic...

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  17. For a telescope to have large resolving power the

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  18. Wavelength of light used in an optical instrument are lambda(1) = 4000...

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  19. Two points separated by a distance of 0.1mm can just be resolved in a ...

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  20. The resolving power of an astronomical telescope is 0.2 seconds. If th...

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