Question

A lens of focal length f produces an image of
an object located 15 cm on one side of it at a
distance of 30 cm on the other side. If the lens
is replaced by another lens of focal length
$. then the image is formed at:
A
15 cm
B
7.5 cm
C
10 cm
D
12.5 cm

Answer 1

Answer:

Your answer is 10

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