In a resonance pipe the first and second resonance are obtained at lengths 22.7 cm and 70.2 cm respectively. What will be the end correction -

In a resonance pipe the first and second resonance are obtained at len

1.	In a resonance pipe the first and second resonance are obtained at lengths 22.7 cm and 70.2 cm respectively. What will be the end correction -
Answer» `1.05cm` `115.5cm` `92.5cm` `113.5cm` SOLUTION :`e=(l_(2)-3l_(1))/(2)` `e=(70.2-3xx22.7)/(2)=(70.2-68.1)/(2)=(2.1)/(2)` `=1.05cm`