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Question: Answered & Verified by Expert
A student is performing the experiment of the resonance column. The diameter of the column tube is 6 cm. The frequency of the tuning fork is 504 Hz. Speed of the sound at the given temperature is 336 m s-1. The zero of the meter scale coincides with the top end of the resonance column tube. The reading of the water level in the column when the first resonance occurs is:
PhysicsWaves and SoundJEE MainJEE Main 2021 (25 Feb Shift 1)
Options:
  • A 14.8 cm
  • B 18.4 cm
  • C 16.6 cm
  • D 13 cm
Solution:
2756 Upvotes Verified Answer
The correct answer is: 14.8 cm

d=6 cm,  f=504, v=336 m s-1

e=0.3 d

l+e=λ4=V4f

l=16.66-0.3×6

l=14.866 cm

l=14.8 cm

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