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1. A mirror forms a virtual image of a real object.(a) It must be a convex mirror.(b) It must be a concave mirror.(c) It must be a plane mirror.(d) It may be any of the mirrors mentioned above.

Answer»

A concave mirror forms a virtual image of a real object.

(b) is correct option

the answer is( b) it must be aconcave mirror

C Is the correct answer

A convex mirror always forms virtual image. A concave mirror produces virtual image when it is placed too closely to it.A plane mirror always forms virtual image.Therefore option (c)is the correct answer



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