Question

The focal lengths of objective and eye lens of an
astronomical telelscope are respectively 2 meter and 5 cm.
Final image is formed at (i) least distance of distinct vision
(ii) infinity Magnifying power in two cases will be
(a) – 48, – 40 (b) – 40, – 48
(c) – 40, + 48 (d) – 48, + 40

Answer 1

Answer:

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Answer 2

Answer:

c) – 40, + 48

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