At resonance air column of length 20cm resonates with a tuning fork of frequency 450Hz. Ignoring end correction, the velocity of sound in air is? a) 720m/s b) 820m/s c) 920m/s d) 360m/s
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At resonance air column of length 20cm resonates with a tuning fork of frequency 450Hz. Ignoring end correction, the velocity of sound in air is?
a) 720m/s
b) 820m/s
c) 920m/s
d) 360m/s
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