In a resonance experiment, two air columns (closed at one end) of 100 cm and 120 cm long, give 15 beats per se…

Question

In a resonance experiment, two air columns (closed at one end) of $100 \, \text{cm}$ and $120 \, \text{cm}$ long, give $15$ beats per second when each one is sounding in the respective fundamental modes. The velocity of sound in the air column is :

A
$335 \, \text{m/s}$
B
$370 \, \text{m/s}$
C
$340 \, \text{m/s}$
D
$360 \, \text{m/s}$

Accepted Answer

D. **$$360 \, 	ext{m/s}$$**

Answer

A. **$$335 \, 	ext{m/s}$$**

Answer

B. **$$370 \, 	ext{m/s}$$**

Answer

C. **$$340 \, 	ext{m/s}$$**

Answer & step-by-step solution

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