An object is placed \( 1 \mathrm{~cm} \) above the principal axis of a convex lens of focal leng... VIDEO
An object is placed \( 1 \mathrm{~cm} \) above the principal axis of a convex lens of focal length of \( 40 \mathrm{~cm} \). Object distance is \( 60 \mathrm{~cm} \). If the object now starts moving perpendicularly away from optical axis with a speed of \( 10 \mathrm{~cm} / \mathrm{s} \), then what is the speed of the image?https://bit.ly/YTAI_PWAP https://www.pw.live
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