**Assertion:** Linear mass density has the dimensions [M^1L^ -1 T^0]. **Reason:** Density is always mass per unit volume.

JEE Main Physics question

**Assertion:** Linear mass density has the dimensions . **Reason:** Density is always mass per unit volume.

(A)Assertion is True, Reason is True; Reason is correct explanation for Assertion
(B)Assertion is True, Reason is True; Reason is not correct explanation for Assertion
(C)Assertion is True, Reason is FalseCorrect
(D)Assertion is False, Reason is True

Answer: (C)

Linear mass density mass/length has dimension , so the Assertion is true. The Reason, however, is

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Question ID VK-157516