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In an astronomical telescope in normal adjustment a straight black line of length L is drawn on inside part of objective lens. The eye-piece forms a real image of this line. The length of this image is I. The magnification of the telescope is
Options
(a) L+I/L-I
(b) L/I
(c) (L/I) +1
(d) (L/I ) -1
Correct Answer:
L/I
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 vibration magnetometer placed in magnetic meridian has a small bar magnet
- A proton beam enters a magnetic field of 10⁻⁴ Wb/m² normally. If the specific charge
- A capacitor of capacitance 100μF is charged by connecting it to a battery of voltage
- If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be
- A black body at a temperature of 227⁰C radiates heat at a rate of 20 cal m⁻²s⁻¹.
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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