Question

In the case of a converging lens, a real object is at a finite distance L from the lens. It is moving with speed 5m/s. The image is formed at one of
the focus of the lens. What is the speed of the
image?
(1) 5 m/s
(2) infinite
(3) 10 m/s
(4) 20 m/s​

Answer 1

Answer:

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Option [C]

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When an object approaches a convergent lens from the left of the lens with a uniform speed of 5ms, the image moves away from the lens with a non-uniform acceleration.

Clearly, the image moves away from the lens with a non-uniform acceleration.

Answer 2

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