Question

The power of a concave lens is positive. [True/False]​

Answer 1

Answer:

false as the cancave lens is negative

Explanation:

hope this will help you

Answer 2

Answer:

$\mathfrak{\huge{\red{\underline{\underline{Answer :}}}}}$

False.

$\mathfrak{\huge{\red{\underline{\underline{Explanation :}}}}}$

For a converging lens the focal length is taken as positive and for a diverging lens the focal length is taken as negative. As the concave lens is a diverging lens the focal length is negative. Hence power is negative.