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An object is 8 cm high. It is desired to form a real image 4 cm high at 60 cm from the mirror. The type of mirror needed with the focal length is
Options
(a) convex mirror with focal length f=40 cm
(b) convex mirror with focal length f=20 cm
(c) concave mirror with focal length f=-40 cm
(d) concave mirror with focal length f=-20 cm
Correct Answer:
convex mirror with focal length f=40 cm
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If emf induced in a coil is 2 V by changing the current in it from 8 A to 6 A
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- A particle doing SHM has amplitude=4 cm and time period = 12 sec. The ratio between times
- An α-particle moves in a circular path of radius 0.83 cm in the presence of a magnetic
- The magnifying power of a telescope is 9. When it is adjusted for parallel rays
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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