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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
- A 100Ω resistance and a capacitor of 100Ω reactance are connected in series
- The excess pressure inside one soap bubble is three times that inside a second soap bubble
- Minimum and maximum values of Poisson’s ratio for a metal lies between
- Efficiency of a Carnot engine is 50% when temperature of sink is 500K. In order
- The angle of a prism is A. One of its refracting surfaces is silvered
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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