Question

For a real object, which of the following can produce a real image?
a) Plane mirror
b) Concave mirror
c) Concave lens
d) Convex mirror
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Answer 1

Answer:

a) Plane mirror

Plane mirrors and convex mirrors only produce virtual images. Only a concave mirror is capable of producing a real image and this only occurs if the object is located a distance greater than a focal length from the mirror's surface.