Question

A resonance air column shows resonance with a tuning fork of frequency 256 Hz at column lengths 32.5 cm and 112.9 cm. The end correction and speed of sound in air are

(a) 4.1 cm, 77.7 ms⁻¹

(b) 7.7 cm, 411.65 ms⁻¹

(c) 5 cm, 224.5 ms⁻¹

(d) 6.7 cm, 352.7 ms⁻¹

Answer 1

Answer is : (b) 7.7 cm, 411.65 ms⁻¹

End correction

Speed of sound in air,