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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
- A Zenor diode has a contact potential of 1 V in the absence of biasing. It undergoes
- Two capacitors of capacitances 2 μF and 3 μF are joined in series.
- If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be
- If 10000 V is applied across an X-ray tube, what will be the ratio of de-Broglie
- A neutron is moving with a velocity u.It collides head on and elastically with an atom
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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