A) The piece of wood will take more time to come out from the pipe.
B) The bar magnet will take more time to come out from the pipe.
C) Both will take same time to come out from the pipe.
D) The time required will depend on the mass of the wooden piece and the mass of the bar magnet.
Correct Answer: B
Solution :
Option [b] is correct Explanation: When a pipe of wood and a bar magnet of same dimension is dropped through an aluminium pipe, the bar magnet will take more time to come out from the pipe due to electromagnetic damping.
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