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An astronomical telescope arranged for normal adjustment has a magnification of 6. If the length of the telescope is 35 cm, then the focal lengths of objective and eye-piece rspectively, are
Options
(a) 30 cm, 5 cm
(b) 5 cm, 30 cm
(c) 40 cm, 5 cm
(d) 30 cm, 6 cm
Correct Answer:
30 cm, 5 cm
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- What is the voltage gain in a common-emiiter amplifier, when input resistance is 4 Ω
- Activity of a radioactive sample decreases to (1/3)rd of its original value
- If a charge in current of 0.01 A in one coil produces a change in magnetic flux
- A particle moving in a straight line covers half the distance with speed of 3 m/s
- If 10000 V is applied across an X-ray tube, what will be the ratio of de-Broglie
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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