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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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Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle is kept at rest at the top of a sphere of diameter 42m.When disturbed slightly
- A plane wave of wavelength 6250Å is incident normally on a slit of width 2×10⁻² cm.
- A body of mass 10 kg is moving on an inclined plane of inclination 30°with an acceleration
- Planck’s constant has same dimensions as those of
- At a given temperature the root mean square velocities of oxygen and hydrogen
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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