Verified Solution • 2025–26 Session moderate

QAIPM-2000-Ph-3023: NEET 2000 Physics - Class 11 AIPM-2000-Ph-3023 Solution: A string is cut into three parts, having fundamental…

A string is cut into three parts, having fundamental frequencies n1,n2,n3n_1, n_2, n_3 respectively. Then original fundamental frequency n related by the expression as

Multiple Choice Options

  • A 1n=1n1+1n2+1n3\frac{1}{n}=\frac{1}{n_1}+\frac{1}{n_2}+\frac{1}{n_3}
  • B n=n1×n2×n3n=n_1\times n_2\times n_3
  • C n=n1+n2+n3n=n_1+n_2+n_3
  • D n=n1+n2+n33n=\frac{n_1+n_2+n_3}{3}

Step-by-Step Verified Solution

As n _ ( 1 / l ) l = l 1 + l 2 + l 3 _ 1 n = 1 n 1 + 1 n 2 + 1 n 3

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