Lab 9.docx.pdf - Lab #9: Waves and Resonance Data Table #1:...

Lab #9: Waves and Resonance
Data Table #1: First Tension
Order
n
Frequency
(Hz)
Wavelength
(m)
1 19.67 2.433
2 40.92 1.215
3 61.47 0.810
4 80.66 0.608
5 102.55 0.486
6 121.34 0.405
7 143.78 0.347
Mass Hanger Pan + Slotted mass: 0.24940 kg
Tension T: 2.44412 N
Mass of String: 0.00150 kg
Length of String: 1.442 m
Slope: 47.64 m/s
Mass density of string: .00108 kg/m
Theoretical mass density: .00104 kg/m
Percent error: 3.85%
Data Table #2: Second Tension

Order
n
Frequency
(Hz)
Wavelength
(m)
1 27.50 2.433
2 54.08 1.215
3 81.11 0.810
4 111.23 0.608
5 137.50 0.486
6 165.02 0.405
7 192.48 0.347
Mass Hanger Pan + Slotted mass: 0.44940 kg
Tension T: 4.404 N
Mass of String: 0.00150 kg
Length of String: 1.442 m
Slope: 66.76 m/s
Mass density of string: .000988 kg/m
Theoretical mass density: .00104 kg/m
Percent error: 4.98%
Plot both graphs here:
REFLECTION

1. What is a reasonable estimate of the uncertainties in both the resonant frequencies and the
recorded wavelengths? Are they equal to the instrument uncertainty? Explain why or why
not.