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Question : 22
Total: 26
Draw a schematic ray diagram of reflecting telescope showing how rays coming from a distant object are received at the eye-piece. Write its two important advantages over a refracting telescope.
Solution:
Drawing of schematic ray diagram Two advantages
(i) Large gathering power
(ii) Large magnifying power
(iii) No chromatic aberration
(iv) Spherical aberration is also removed
(v) Easy mechanical support
(vi) Large resolving power
(i) Large gathering power
(ii) Large magnifying power
(iii) No chromatic aberration
(iv) Spherical aberration is also removed
(v) Easy mechanical support
(vi) Large resolving power
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