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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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Topics: Ray Optics
(94)
Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two circuits have a mutual inductance of 0.1 H. What average e.m.f. is induced
- The loudness and pitch of a sound note depends on
- A capacitor of capacitance value 1 μF is charged to 30 V and the battery
- A high altitude, a body explodes at rest into two equal fragments with one fragment
- Three capacitors of capacitances 3 μF, 10 μF and 15 μF are connected in series
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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