A point object is kept at the first focus of a convex lens. If the lens starts moving towards ri....

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A point object is kept at the first focus of a convex lens. If the lens starts moving towards right with a
\( \mathrm{P} \)
constant velocity, the image will
W
(1) always move towards right
(2) always move towards left
(3) first move towards right \& then towards left.
(4) first move towards left \& then towards right.


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