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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body of mass m=3.513 kg is moving along the x-axis with a speed of 5 m/s
- A step down transformer is used on a 1000 V line to deliver 20 A at 120 V
- In electromagnetic spectrum, the frequencies of γ-rays and x-rays and ultraviolet rays
- A thin equiconvex lens of refractive index 3/2 and radius of curvature 30 cm
- A thin rod of length L and mass M is held vertically with one end on the floor
Topics: Ray Optics (94)
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