Sound WavesHard
Question
A student is performing the experiment of resonance Column. The diameter of the column tube is4 cm. The frequency of the tuning fork is 512 Hz. The air temperature is 38oC in which the speedof sound is 336 m/s. The zero of the meter scale coincides with the top end of the ResonanceColumn tube. When the first resonance occurs, the reading of the water level in the column is
Options
A.14.0 cm
B.15.2 cm
C.16.4 cm
D.17.6 cm
Solution
L + e = 
⇒ L = - e
= 16.4 - 1.2 = 15.2 cm
⇒ L =
- e= 16.4 - 1.2 = 15.2 cm
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