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Tension in a String

A hollow pipe...

Question

A hollow pipe of length 0.8 m is closed at one end. At it's open end a 0.5 m long uniform string is vibrating in it's second harmonic and it resonates with the fundamental frequency of the pipe. If the tension in the wire is 50 N and the speed is 320 m/s, the mass of the string is 1) 5 g 2) 10 g 3) 20 g 4) 40 g

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Q. A hollow pipe of length 0.8 m is closed at one end. At its open end a 0.5 m long uniform string is vibrating in its second harmonic and it resonates with the fundamental frequency of the pipe. If the tension in the wire is 50 N and the speed of sound is 320 ms

^{- 1}

, the mass of the string is :

Q. A hollow pipe of length 0.8 m is closed at one end. At its open end a 0.5 m long uniform string is vibrating in its second harmonic and it resonates with the fundamental frequency of the pipe. If the tension in the wire id 50 N and the speed is

320 m s^{- 1}

, the mass of the string is ___ gram

Q. A hollow pipe of length

0.8 m

is closed at one end. At its open end a

0.5 m

long uniform string (fixed at both ends) is vibrating in its second harmonic and it resonates with the fundamental frequency of the pipe. If the tension in the wire is

50 N

and the speed of sound is

320 {ms}^{- 1}

, the mass of the string is

25 cm

long and having a mass of

2.5 gm

is under tension. A pipe closed at one end is

40 cm

long. When the string is set vibrating in its first overtone and the air in the pipe in its fundamental frequency,

8

beats per second are heard. It is observed that decreasing the tension in the string decreases beat frequency. If the speed of sound in air is

320 m/s

, the tension in the string is N.

Q. A string 25 cm long fixed at both ends and having a mass of 2.5 g is under tension. A pipe closed from one end is 40 cm long. When the string is set vibrating in its first overtone and the air in the pipe in its fundamental frequency, 8 beats per second are heard. It is observed that decreasing the tension in the string decreases the beat frequency. If the speed of sound in air is 320 m/s. Find tension in the string :

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