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Grade: 10

                        

A uniform tube of length 60.5cm is held vertically with its lower end dipped in water.A sound of frequency 500Hz sends sound waves into the tube.When length of tube above water is 16cm and again when 50cm,the tube resonates with the source of sound.Two lowest frequency to which tube will resonate when taken out of water are??

6 years ago

Answers : (1)

Abhishek Kumar
askIITians Faculty
253 Points
							This is an open end tube case.
f = (2n+1)V/4L
For 1st case, L= 16 cm
For 2nd case. L = 50 cm
Find out V/4L and 3V/4L
5 years ago
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