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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
- A particle free to move along X-axis has potential energy given as U(X) =k(1-e⁻ˣ²)
- In an inductor when current changes from 2 A to 18 A in 0.05 sec, the e.m.f. induced
- A motorcycle moving with a velocity 72 kmh⁻¹ on a flat road takes a turn
- The velocity of radio-waves is 3×10⁵ km/s. The frequency corresponding to wavelength
- Two balls are dropped from heights h and 2h respectively. The ratio of times
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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