The water level in a vertical glass tube 1.050 m long can beadjusted to any position in the tube. A tuning fork vibrating at680.00 Hz is held just over the open top end of the tube.
What is the greatest depth of water for which there will beresonance in the air in the tube?

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Related questions

1. A vertical tube with a tap at the base is filled withwater,and a tuning fork vibrates over its mouth. As thewater level islowered in the tube, the resonance is heard when thewater level hasdropped at 0.18 m and again after 0.45 m ofdistance exists from thewater to the top of the tube. Whatis the frequency of the tuningfork?

2.One tuning fork has a 422-Hz pitch. When a second forkisstruck, beat notes occur with a frequency of 3 Hz. Thereare twopossible frequencies of the second fork. Which is thelowerfrequency?

WILL RATE LIFESAVER

The frequency of a tuning fork can be found by the methodshown. A long tube open at both ends is submerged in a beaker ofwater, and the vibrating tuning fork is placed near the top of thetube. The length L of the air column is adjusted by moving the tubevertically. The sound waves generated by the fork are reinforcedwhen the length of the air column corresponds to one of theresonant frequencies of the tube. The smallest value for L forwhich a peak occurs in sound intensity is 13 cm.

What is the frequency of the tuning fork?

The speed of sound is 345 m/s.

Answer in units of Hz.

What is the value of L for the second resonant position?

Answer in units of cm.

What is the value of L for the third resonant position?

Answer in units of cm.

A glass tube is closed at one end. The air column it contains has a length that can be varied between 0.50 m and 1.50 m. A tuning fork of frequency 306 Hz is sounded at the top of the tube. Predict the lengths of the air column at which loud sounds would be heard from the tube. Take the speed of sound to be 340m/s.