An open organ pipe emits G (392 Hz ) when the temperature is 26 ?C. The speed of

Question

An open organ pipe emits G (392 Hz ) when the temperature is 26 ?C. The speed of sound in air is v?(331+0.60T)m/s, where T is the temperature in ?C.

Part A

Determine the length of the pipe.

Express your answer to three significant figures and include the appropriate units.

l =

______

Part B

What is the wavelength of the fundamental standing wave in the pipe?

Express your answer to three significant figures and include the appropriate units.

? pipe =

______

Part C

What is frequency of the fundamental standing wave in the pipe?

Express your answer to three significant figures and include the appropriate units.

f pipe =

_____

Part D

What is the frequency in the traveling sound wave produced in the outside air?

Express your answer to three significant figures and include the appropriate units.

f air =

_______

Part E

What is the wavelength in the traveling sound wave produced in the outside air?

Express your answer to three significant figures and include the appropriate units.

? air =

Explanation / Answer

Ans:-

Given data

f = 392Hz, T= 26deg ,

v= 331+0.60T = 331+0.60*26 = 346.6m/s

Part A

f =V/2L

L= v/2f = 346.6/2*392 =0.442m

Part B

Standing means two open ends

n = 1 fundamental

? =2L/n = 0.442*2 / 1 = 0.884m

Part C

f = v/? = 346.6/0.884 = 392Hz

Part D

fair = 392

it is same because it is in air that is resonation in the organ pipe

same for part E

?= 0.884m

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