QUESTION 4 What is the calculated wavelength? (Transfer this number to Table 1) λ = 4(L + 0.3d) Diameter of pvc tube = 3cm Length of pvc tube = 100cm Length of water column = 17cm. L = total length of tube - length of water filled column L = 100cm - 17cm = 83cm =0.83m d =0.03m λ = 4(L + 0.3d) Wavelength = 4 ( 0.83 + 0.3x0.03) = 3.356meter Wavelength of sound = 3.356 m QUESTION 5 What is the estimated measurement of the speed of sound? (Transfer this number to Table 1). 3.356 * 528 = 1771.968 m/s (Help me to find if I am doing question 5 right)
QUESTION 4 What is the calculated wavelength? (Transfer this number to Table 1) |
λ = 4(L + 0.3d)
Diameter of pvc tube = 3cm
Length of pvc tube = 100cm
Length of water column = 17cm.
L = total length of tube - length of water filled column
L = 100cm - 17cm = 83cm =0.83m
d =0.03m
λ = 4(L + 0.3d)
Wavelength = 4 ( 0.83 + 0.3x0.03) = 3.356meter
Wavelength of sound = 3.356 m
QUESTION 5 What is the estimated measurement of the speed of sound? (Transfer this number to Table 1). |
3.356 * 528 = 1771.968 m/s
(Help me to find if I am doing question 5 right)
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You are on the right track for Question 5. To estimate the measurement of the speed of sound, you can use the formula:
In your case, you have already calculated the wavelength in Question 4. Now, you need to know the frequency (f) of the sound wave to calculate the speed of sound.
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