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A Galilean telescope has an objective of focal length 100 cm and magnifying power 50. The distance between the two lenses in normal adjustment will be
Options
(a) 96 cm
(b) 98 cm
(c) 102 cm
(d) 104 cm
Correct Answer:
98 cm
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Subject: Physics
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- A plank with a box on it at one end is gradually raised about the other end.
- If the binding energy of the electron in a hydrogen atom is 13.6 eV, the energy
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- A Si and a Ge diode has identical physical dimensions. The bandgap in Si is larger
- A boy is trying to start a fire by focusing sunlight on a piece of paper using
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Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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A Galilean telescope has an objective of focal length 100 cm and magnifying power 50. The distance between the two lenses in normal adjustment will be
Options
(a) 96 cm
(b) 98 cm
(c) 102 cm
(d) 104 cm
Ans:
fo= 100 cm
M=50
fo/fe = 50
fe=100/fo
fe=2
L=fo-fe
L=100-2
L=98cm