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Ray Optics and Optical Instruments
An erect image is seen of $\large\frac{1}{5} $ th the height of the object kept at a distance of $20 \;cm$ from a mirror. The mirror must be :
(a)plane mirror
(b)concave mirror
(c)convex mirror
(d)Plano concave mirror
jeemain
physics
class12
unit16
ray-optics-and-optical-instruments
reflection-by-mirrors
easy
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asked
Jan 17, 2014
by
meena.p
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Aug 12, 2014
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1 Answer
Small image is formed only by convex mirror , plane mirror forms image of same size, concave mirror forms image bigger then object.
Then it is the convex mirror.
Hence 'c' is the correct option
answered
Jan 17, 2014
by
meena.p
edited
Jul 15, 2014
by
thagee.vedartham
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