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String Vibration | MCQs

Q1: The fundamental frequency of string stretched with a weight of 4kg is 256 Hz. The weight required to produce its octave is _____?

A. 24 kg wt
B. None of these
C. 16 kg wt
D. 12 kg wt

Explanation

The frequency of a stretched string is proportional to the square root of the tension.

To produce an octave (double frequency), the tension must increase fourfold.

Since the original tension is from 4 kg, the required tension is

4 \times 4 = 16 kg wt .

✅ Correct: 0 | ❌ Wrong: 0 | 📊 Total Attempted: 0

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