HSC Science (General) 12th Board ExamMaharashtra State Board
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A Pipe Which is Open at Both Ends is 47 cm Long and Has an Inner Diameter 5 cm. If the Speed of Sound in Air is 348 m/s, Calculate the Fundamental Frequency of Air Column in that Pipe. - HSC Science (General) 12th Board Exam - Physics

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Question

A pipe which is open at both ends is 47 cm long and has an inner diameter 5 cm. If the speed of sound in air is 348 m/s, calculate the fundamental frequency of air column in that pipe.

Solution

`n=V/(2(l+2e))`

where e = 0.3d

for open end correction = 2e

=2x0.3d

e =0.6x5=3cm

`n=v/(2(0.47+0.03))=348/(2xx0.5)=348 Hz.`

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APPEARS IN

 2013-2014 (March) (with solutions)
Question 1.4 | 2.00 marks
Solution A Pipe Which is Open at Both Ends is 47 cm Long and Has an Inner Diameter 5 cm. If the Speed of Sound in Air is 348 m/s, Calculate the Fundamental Frequency of Air Column in that Pipe. Concept: Study of Vibrations of Air Columns.
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