1.

An object is at a distance of 20 m from a convex lens of focal length 0.3 m. The lens forms an image of the object. If the object moves away from the lens at a speed of 5 m/s, the speed and direction of the image will be

A. 3.22 × 10-3 m/s towards the lens
B. 0.92 × 10-3 m/s away from the lens
C. 2.26 × 10-3 m/s away from the lens
D. 1.16 × 10-3 m/s towards the lens
Answer» E.


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