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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
- The frequency of light ray having the wavelength 3000Å is
- A rocket with a lift-off mass 3.5 x 10⁴ kg is blasted upwards with an initial acceleration
- The electric potential at a point (x,y,z) is given by V = – x²y – xz³ + 4.
- A wheel has moment of inertia 5 x 10⁻³ kgm² and is making 20 revolutions per sec
- The ratio of the nuclear radii of elements with mass numbers 216 and 125 is
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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