Physics, asked by vyshnavrn10, 20 days ago

If a lens can converge the sun rays at a point 20 cm. away from its optical centre, the power of this lens is =
(a) 2D
(b) - 2D
(c)+5D
(d) - 5D

Answers

Answered by venkatakarumuri

0

(b)-2D

answer

is

that

hope

helps

you

Answered by siddhikatiyar00

0

2D is the correct answer

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