General Knowledge - Physics - Discussion

Discussion Forum : Physics - Section 1 (Q.No. 68)
68.
Large astronomical telescopes always use as objective
lens
mirror
combinations of lenses
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Johan said:   9 years ago
Large Astronomical Telescope is reflecting telescopes, not refracting. Hence answer B would be more correct.

Supratim said:   1 decade ago
In astronomical telescopes multiple lenses are connected with some desired angles so that everything can be seen from a particular distance.

Vivetha.h said:   1 decade ago
Large Astronomical Telescope always use combination of lenses.

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