If the vibrations of a string are to be increased by a factor of two, then tension in the string should be made

Twice

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Four times

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Eight times

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Half

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Solution

The correct option is B Four times
We know that, $n = \frac{1}{2} \sqrt{\frac{T}{m}} \Rightarrow n α \sqrt{T}$
If tension is increased four times, the frequency will become twice.

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If the vibrations of a string are to be increased by a factor of two, then tension in the string should be made

The correct option is B Four timesWe know that, n=12√Tm⇒nα√TIf tension is increased four times, the frequency will become twice.

The correct option is B Four times
We know that, $n = \frac{1}{2} \sqrt{\frac{T}{m}} \Rightarrow n α \sqrt{T}$
If tension is increased four times, the frequency will become twice.