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A person cannot see the objects clearly placed at a distance more than 40 cm. He is advised to use a lens of power
Options
(a) -2.5 D
(b) 2.5 D
(c) -6.25 D
(d) 1.5 D
Correct Answer:
-2.5 D
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
- If threshold wevelength for sodium is 6800 Å, the work function will be
- A block of 2 kg is kept on the floor. The coefficient of static friction is 0.4
- When aluminium is added as an impurity to silicon, the resulting material is
- On a frictionless surface, a block of mass M moving at speed v collides elastically
- Light of wavelength λᴀ and λᴃ falls on two identical metal plates A and B respectively.
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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