NEET | 2016Sound WavesEasy

Question

An air column, closed at one end and open at the other, resonates with a tuning fork when the smallestlength of the column is 50 cm. The next larger length of the column resonating with the same tuning fork is:

Options

A.

66.7 cm

B.

100 cm

C.

150 cm

D.

200 cm

Solution

First minimum resonating length for closed organ pipe = λ4= 50 cm
∴ Next larger length of air column = 3λ4=  150 cm

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