Question

If you are given three plane mirrors,plane,concave and convex,how will you identify these mirror without touching?

Answer 1

Here is your answer mate:-

Light - Reflection and Refraction. You are given three mirrors of equal size—concave, convex and plane. How will you identify them without touching their surfaces? ... If the image formed is erect and enlarged initially but gets inverted as the face is moved away, then it is a concave mirror.

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