Physics, asked by aimanmoin123, 1 year ago

Two lenses are placed at a distance of f1 - f2. What is the focal length of the combination?

Options; a) infinity
b) 0
c) f1×f2 / 2f2
d) 2f2 / f1 × f2.

Answers

Answered by aloktiwari16

1

I think option c is right

aimanmoin123: How?

Answered by darshita93

0

c) f1×f2/2f2 is correct answer

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