CBSE BOARD X, asked by rbvarshiniovrgxk, 9 months ago

A stamp collector uses convex lens of focal length of 7 cm to examine a stamp.. what is the power of lens??
PLZ HELP URGENT

Answers

Answered by mapsjasmin2722

1

Answer:

the power of lens = 1/f

f=7cm

7cm=0.7m

now I/f = 100/7

=14.28 Dioptre is the power

hope it helps

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Answered by 5k2j

2

Explanation:

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