Question

Frequencies ratio is 1:2:3
Then ratio of lengths ?

Answer 1

Answer:

wavelength is inversly proportional to frequency

If ratio of frequency is 1 : 2 : 3

ratio of wavelengths is 1 : 3 : 2

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Answer 2

Answer:

Frequency= 1/λ

Therefore

Ratio of lengths= 3:2:1

Explanation:

Let frequencies be 1x, 2x, 3x

Then,

Length ratio= 1/x : 1/2x : 1/3x

Therefore 1 : 1/2 : 1/3

i.e. 3:2:1