Statement 1: In the relation n= 1 2l T/m , where the symbols have their standard meaning, m represents the total mass. Statement 2: Linear mass density = mass/length.

JEE Main Physics question

Statement 1: In the relation , where the symbols have their standard meaning, represents the total mass. Statement 2: Linear mass density = mass/length.

(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 False
(D)Assertion is False, Reason is TrueCorrect

Answer: (D)

Solution

In the stretched-string frequency relation , denotes mass per unit length (linear mass density ), not the total mass of the string, so

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Question ID VK-157183