A vibrating tuning fork of frequency 1000 Hz is placed near

Last updated: 6/14/2023

A vibrating tuning fork of frequency 1000 Hz is placed near the open end of a long cylindrical tube The tube has a side opening and is also fitted with a movable reflecting piston As the piston is moved through x distance the intensity of sound changes from a maximum to a minimum for an observer at the side opening If the speed of sound is 350 meters per second then x is E 1 35 cm 2 17 5 cm 3 8 75 cm 4 10 cm 7