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An air column, closed at one end and ope...

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

A

200 cm

B

66.7 cm

C

100 cm

D

150 cm

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The correct Answer is:
D
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