Physics, asked by tanishqs008, 1 day ago

19 The power of the lens is +2.0D. Its focal length in cm will be (a) 450 (b)-50 (c) +100 (d) -100 10cm from the lens. How far is the

Answers

Answered by poop223456789

0

Answer:

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Answered by SpideMan

0

Answer:

(a) + 50cm

Explanation:

P=1/f

2D= 1/F

F(in m) = +1/2 = 0.5 m= 50 cm

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