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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.
Related Questions: - Which one of the following is a vector?
- 64 drops of mercury, each charged to a potential of 10 V, are combined
- Energy in a current carrying coil is stored in the form of
- An electric motor operating on a 60 volt D.C supply draws a current of 10 amp.
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following is a vector?
- 64 drops of mercury, each charged to a potential of 10 V, are combined
- Energy in a current carrying coil is stored in the form of
- An electric motor operating on a 60 volt D.C supply draws a current of 10 amp.
- Two positive ions, each carrying a charge q, are separated by a distance d
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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