Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 11
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The Fundamental Frequency of a String is Proportional to - Physics

MCQ

The fundamental frequency of a string is proportional to

Options

  • inverse of its length

  • the diameter

  •  the tension

  • the density.

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Solution

inverse of its length

The relation between wave speed and the length of the string is given by

\[v = \frac{1}{2l}\sqrt{\frac{F}{\mathrm{\mu}}}\] 
where
           l is the length of the string
           is the tension
           μ linear mass density
From the above relation, we can say that the fundamental frequency of a string is proportional to the inverse of the length of the string.

\[v \propto \frac{1}{l}\]

Concept: Speed of Wave Motion
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APPEARS IN

HC Verma Class 11, 12 Concepts of Physics 1
Chapter 15 Wave Motion and Waves on a String
MCQ | Q 18 | Page 322
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