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For a particular glass lens f = - 2 m. O...

For a particular glass lens f = - 2 m. Only this much data was provided to a student. He was told to calculate the power of lens and to find out type of lens given to him. His answer must be _____

A

Power:+ 2 dioptre, Convex lens

B

Power:+ 1 dioptre, Concave lens

C

Power: - 0.5 dioptre, Concave lens

D

Power: - 0.5 dioptre, Convex lens

Text Solution

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The correct Answer is:
C
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