Physics, asked by sahil058, 11 months ago

a convex lens has focal length 25 CM calculate the distance of the object from lens if image is to be formed at distance of 75 cm

Answers

Answered by nairabhishek414

3

Answer:

u=37.5

Explanation:

formula: 1/f = 1/u + 1/ v

1/u=1/f - 1/v

=1/25 - 1/75

=3/75 - 1/75

=2/75

u=75/2

=37.5cm

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