General Knowledge - Physics - Discussion

Discussion :: Physics - Section 1 (Q.No.68)

68. 

Large astronomical telescopes always use as objective

[A]. lens
[B]. mirror
[C]. combinations of lenses
[D]. None of the above

Answer: Option C

Explanation:

No answer description available for this question.

Vivetha.H said: (May 12, 2012)  
Large Astronomical Telescope always use combination of lenses.

Supratim said: (Apr 26, 2013)  
In astronomical telescopes multiple lenses are connected with some desired angles so that everything can be seen from a particular distance.

Johan said: (Dec 25, 2016)  
Large Astronomical Telescope is reflecting telescopes, not refracting. Hence answer B would be more correct.

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