Resonance ColumnHardQuestion 31259
Question
If resonance column first resonates at 24 cm and second at 75 cm, the end correction is:
- A1.5 cmCorrect
- B3 cm
- C0 cm
- D2.5 cm
Correct answer
1.5 cm
Explanation
L₂ − L₁ = λ/2 = 51 cm → λ = 102 cm. L₁ + e = λ/4 = 25.5 cm → e = 25.5 − 24 = 1.5 cm.