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The equiconvex lens has focal length f. If it is cut perpendicular to the principal axis passing through optical centre, then focal length of each half is
Options
(a) f/2
(b) f
(c) 3f/2
(d) 2f
Correct Answer:
2f
Explanation:
When an equiconvex lens is cut parallel to principal axis, then focal length remains the same and when the lens is cut perpendicular to principal axis, then its focal length becomes twice the original.
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- C and Si both have same lattice strcture, having 4 bonding electron in each
- Length of second pendulum is
- If a solid ball of metal has a concentric spherical cavity with in it if the ball
- If the focal length of a concave mirror is 50 cm, then where should the object
- A coil of resistance 20 ohm and inductance 5H is connected with a 100V battery
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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