Science, asked by raashidwivedi2020, 7 months ago

The power of a lens of focal length 25cm
in dioptre is:

(a) 0.25D (b) 2.5D

(c) 4.0D (d) 0.4D

Answers

Answered by amanraj56

2

Explanation:

power of lens =1/f in meter

= 1/25

= 1/25×100

= 4

...666....

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