The focal length of objective of an astronomical telescope is 1 m. If the magnifying…
Physics · JEE Main · NTA Exams — Optics
The focal length of objective of an astronomical telescope is 1 m. If the magnifying power of telescope is 20, then what is length of telescope for relaxed eye?
- 85 cm
- 95 cm
- 105 cm
- 115 cm
Answer
(C) 105 cm
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