Question

How will u identify concave lence by touching

Answer 1

Answer:

concave lence can be distinguish them touching

Answer 2

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Ques=} How will u identify concave lence by touching?????

Ans=} Convex and concave lens can be distinguished by touching them. If the curved surface is bulging outwards then it's convex lens and if the curved surface is curved inwards then it's concave lens............