Science, asked by Komalsaxena, 9 months ago

power of the lens is 40 it's focal length is

Answers

Answered by amayra76

2

Answer:

p =1/f...u can find out your answer by this formula

Answered by ptoksia

0

Answer:

p = 1/f

40 = 1/f

f = 1/40 × 100

f = 10/4

f = 2.5 cm

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