Question

Find the ratio of frequencies of the first three harmonics in the resonance column apparatus.​

Answer 1

Explanation:

Show that the frequencies of first three harmonics of an open organ pipe are in the ratio 1 : 2 : 3

First Harmonic or Fundamental Frequency : ...

Second harmonic : ...

∴n2=2n1----------(2)

Third harmonic :

Third Harmonic should will have three nodes and fore antinodes.

Vibrating lenth, l=3λ/2.

⇒λ=2l/3.

then.

Answer 2

Answer:

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Explanation:

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