Grade 12th passWave Motion
In a resonance tube the second harmonics takes place at 75cm the wavelength of the wave is?
3 Answers
Amritpal Singh Saini
The resonance tube is an example of pipe closed at one end , for second harmonic the length of wave is given by 3lambda/4. Thus as l=75 cm , then the wavelength is given by (lambda) = 4L/3 , On solving this it gives as100 cm
Radha Shukla
Resonance tube works like closed organ pipe second harmonic i.e 3 lamba/4 = 75 solve this and you will get your answer
Khimraj
Second harmonic of resonance tube is given by 3
/4
So 3/4 = 75cm
So wavelength = 100 cm.
Hope it clears.
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