Gravitation Question 13
Question 13 - 31 January - Shift 1
Spherical insulating ball and a spherical metallic ball of same size and mass are dropped from the same height. Choose the correct statement out of the following {Assume negligible air friction }
(1) Time taken by them to reach the earth’s surface will be independent of the properties of their materials
(2) Insulating ball will reach the earth’s surface earlier than the metal ball
(3) Both will reach the earth’s surface simultaneously
(4) Metal ball will reach the earth’s surface earlier than the insulating ball.
Show Answer
Answer: (2)
Solution:
Formula: Electromagnetic Induction
When metal is passing through magnetic field, eddy current will produce and it will oppose the motion, so it will take more time.
