Question

A lens has a focal length of +10cm , calculate its power​

Answer 1

Answer:

power is 1/f. Therefore power is 10D

Step-by-step explanation:

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Answer 2

Hey There :-

Given:- focal length of convex lense is 10 cm.

To Find :- Power ?

Solution :-

Power Of concave lense = focal length /2

Power of concave lense = 10/2 = 5 cm

Hence Power of concave lense is

5cm.