A) the magnet moves with continuously decreasing velocity and ultimately comes to rest
B) the magnet moves with continuously increasing velocity and ultimately acquires a constant terminal Velocity
C) the magnet moves with continuously increasing velocity and acceleration
D) the magnet moves with continuously increasing velocity but constant acceleration.
Correct Answer: B
Solution :
Copper rod is diamagnetic substance hence when a magnet is dropped down the copper rod it will be repelled hence first its velocity increases down word and thus it attain a constant velocity.
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