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A luminous object is seperated from a screen by distance d. A convex lens is placed between the object and the screen such that it forms a distinct image on the screen. The maximum possible focal length of this convex lens is
Options
(a) 4 d
(b) 2d
(c) d/2
(d) d/4
Correct Answer:
d/4
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
- Two identical cells of the same e.m.f. and same internal resistance
- A boat which has a speed of 5 kmh⁻¹ in still water crosses river of width 1 km long
- In Young’s double slit experiment, the fringe width is 1×10⁻⁴ m, if the distance
- The flux linked with a coil at any intant t is given by ?=10t² – 50t + 250
- A circuit area 0.01 m² is kept inside a magnetic field which is normal to its plane.
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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