The objective of a telescope focussed for infinity is taken out and replaced by a diaphragm of diameter D.A screen placed on the other side of the eye

Question

The objective of a telescope focussed for infinity is taken out and replaced by a diaphragm of diameter D.A screen placed on the other side of the eye

The objective of a telescope focussed for infinity is taken out and replaced by a diaphragm of diameter D.A screen placed on the other side of the eye-piece shows a sharp image of diameter d. What was the magnifying power of the telescope?

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D/d

5 views Answered 2023-02-05 15:29