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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
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The radius of germanium nuclide is measured to be twice the radius of ₄⁹Be.
- A solenoid has length 0.4 cm, radius 1 cm and 400 turns of wire. If a current
- Dimensional formula for electrical resistance R is given by
- If light emitted from sodium bulb is passed through sodium vapour,
- The conducting loop in the form of a circle is placed in a uniform magneitc field
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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