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A planet is observed by an astronomical ...

A planet is observed by an astronomical refracting telescope having an objective of ofcal length 16m and an eyepiece of focal length 2 cm. Then,

A

`(i)`,only

B

`(ii)`, only

C

`(i),(ii)` only

D

all

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The correct Answer is:
D
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CP SINGH-OPTICAL INSTRUMENTS-EXERCISES
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  10. If the focal length of the objective lens is increased then

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

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

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  17. The angular resolution of a 10cm diameter telescope at a wavelength 50...

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  18. The resolving power of acompound microscope can be increased if we

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  19. How can we increase the resolving power of a microscope ?

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  20. Choose the correct option:

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