Q: A pipe of length 85 cm closed from one end. Find then number of possible natural oscillations of air column in the pipe whose frequencies lie below 1250 Hz. The velocity of sound in air is 340 m/s.

(a) 12

(b) 8

(c) 6

(d) 4

Ans: (c)

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# A pipe of length 85cm closed from one end. Find then number of possible natural oscillations …

Q: A pipe of length 85 cm closed from one end. Find then number of possible natural oscillations of air column in the pipe whose frequencies lie below 1250 Hz. The velocity of sound in air is 340 m/s.

(a) 12

(b) 8

(c) 6

(d) 4

Ans: (c)