A resonance tube resonates with a 256 Hz tuning fork. The first and second resonant air-column lengths are 32 cm and 100 cm. Find the end correction.
Options

Question

A resonance tube resonates with a 256 Hz tuning fork. The first and second resonant air-column lengths are 32 cm and 100 cm. Find the end correction.

G1 Physics · Accepted Answer

Step 1: Successive closed-pipe resonances differ by λ/2, so λ/2 = 100−32 = 68 cm and λ = 136 cm. Step 2: First resonance satisfies L₁+e = λ/4 = 34 cm, hence e = 2 cm. Final: B.