| Assertion: A bar magnet is dropped into a long vertical copper tube. Even taking air resistance as negligible, the magnet attains a constant terminal velocity. If the cube is heated, the terminal velocity gets increased. |
| Reason: The terminal velocity depends on eddy current produced in bar magnet. |
A) If both assertion and reason are true and reason is the correct explanation of assertion.
B) If both assertion and reason are true and reason is not the correct explanation of assertion.
C) if assertion is true but reason is false.
D) If both assertion and reason are false.
E) If assertion is false but reason is true.
Correct Answer: B
Solution :
If both assertion and reason are true and reason is not the correct explanation of assertion.
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