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Corresponding to given observation calcu...

Corresponding to given observation calculate speed of sound. Frequency of tuning fork =340 Hz.
`{:("Resonance","Length from the water level in (cm)",),(,"During falling","During rising"),("First",23.9,24.1),("Second",73.9,74.1):}`.

Text Solution

Verified by Experts

The correct Answer is:
C, D
Mean length from the water level in first resonance is
`l_1=(23.9 +24.1)/2`
=`24.0 cm`
Similarly, mean length from the water level in second resonance is
`l_2=(73.9 +74.1)/2`
`= 74.0 cm`
`:.` Speed of sound,
`v=2f(l_2-l_1)`
=`2xx340(0.740-0.240)`
=`340 m//s`.
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