If the frequency of the tuning fork at resonance is 256Hz, calculate the frequency of...

WAEC 2001

If the frequency of the tuning fork at resonance is 256Hz, calculate the frequency of vibration of the wire when the tension in he wire is increased to 196N

A. 130.6Hz
B. 182.9Hz
C. 358.4Hz
D. 501.8Hz

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Correct Answer: Option C

Explanation

\(\frac{f}{256} = \sqrt{\frac{196}{100}}\)

f = \(\sqrt{\frac{256^2 \times 196}{100}}\)

= 356.4Hz

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If the frequency of the tuning fork at resonance is 256Hz, calculate the frequency of...

Correct Answer: Option C

Explanation

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