The objective of a telescope has focal length 120 cm and diameter 5 cm. The focal length…
Physics · JEE Main · NTA Exams — Optics
The objective of a telescope has focal length 120 cm and diameter 5 cm. The focal length of eyepiece is 2 cm. The magnifying power for an object at infinity is
- 24
- 60
- 12
- 300
Answer
(B) 60
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