Physics, asked by Aviral134, 12 hours ago

If the Distance between object and image is 40cm.
Then find the object distance and focal length of the lens When magnification is +1/4.5

Answers

Answered by duttasomabtc2018

0

Answer:

object distance: 40/2 = 20 cm, focal length=10cm

Explanation:

1/v+1/u=1/f

1/20+1/20=1/f

2/20=1/f

f=10cm

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