Task 1: Interference of waves 1. Using the two-dimensional wave interference pattern shown, a ruler and the two equations involving wave path difference, complete the following. If you do not have access to a printer or ruler, you can use the online version. animation speed Time = 0 s slow fast Velocity of river relative to earth (m/s)3 Run M North Show Velocity Vectors Vb-r Velocity of Boat Relative to River (m/s) 4 Pause Show Ve Reset Aim Direction -0° West of North Aim Direction -0° (-90° - West, 0° - North, 90° - East) VB>E-5 m/s @36.87° E of N Start 1. Measure the distance between the sources, and the path distance from each of the sources to the nodal point shown on the diagram. Show the complete calculation for wavelength. 2. Measure the path distances from each of the sources to the anti-nodal point shown on the diagram. Using measurements from part 1 for the distance between sources and the measurements made in part 2, show the complete calculation for the wavelength. 3. What effect would an increase in frequency have on the interference pattern? 4. What effect would a decrease in the distance between the wave sources have on the interference pattern? 5. If the phase of the vibrating sources was changed so that they were vibrating completely out of phase, what effect would this have on the interference pattern?
Task 1: Interference of waves 1. Using the two-dimensional wave interference pattern shown, a ruler and the two equations involving wave path difference, complete the following. If you do not have access to a printer or ruler, you can use the online version. animation speed Time = 0 s slow fast Velocity of river relative to earth (m/s)3 Run M North Show Velocity Vectors Vb-r Velocity of Boat Relative to River (m/s) 4 Pause Show Ve Reset Aim Direction -0° West of North Aim Direction -0° (-90° - West, 0° - North, 90° - East) VB>E-5 m/s @36.87° E of N Start 1. Measure the distance between the sources, and the path distance from each of the sources to the nodal point shown on the diagram. Show the complete calculation for wavelength. 2. Measure the path distances from each of the sources to the anti-nodal point shown on the diagram. Using measurements from part 1 for the distance between sources and the measurements made in part 2, show the complete calculation for the wavelength. 3. What effect would an increase in frequency have on the interference pattern? 4. What effect would a decrease in the distance between the wave sources have on the interference pattern? 5. If the phase of the vibrating sources was changed so that they were vibrating completely out of phase, what effect would this have on the interference pattern?
University Physics Volume 3
17th Edition
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:William Moebs, Jeff Sanny
Chapter4: Diffraction
Section: Chapter Questions
Problem 8CQ: Shown below is the central part of the interference pattern for a pure wavelength of red light...
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Transcribed Image Text:Task 1: Interference of waves
1. Using the two-dimensional wave interference pattern shown, a ruler and the two
equations involving wave path difference, complete the following.
If you do not have access to a printer or ruler, you can use the online version.
animation speed
Time = 0 s
slow
fast
Velocity of river relative to earth (m/s)3
Run
M
North
Show Velocity Vectors
Vb-r
Velocity of Boat Relative to River (m/s) 4
Pause
Show Ve
Reset
Aim Direction -0° West of North
Aim Direction -0°
(-90° - West, 0° - North, 90° - East)
VB>E-5 m/s
@36.87° E of N
Start
1. Measure the distance between the sources, and the path distance from each of the
sources to the nodal point shown on the diagram. Show the complete calculation
for wavelength.
2. Measure the path distances from each of the sources to the anti-nodal point shown
on the diagram. Using measurements from part 1 for the distance between sources
and the measurements made in part 2, show the complete calculation for the
wavelength.
3. What effect would an increase in frequency have on the interference pattern?
4. What effect would a decrease in the distance between the wave sources have on
the interference pattern?
5. If the phase of the vibrating sources was changed so that they were vibrating
completely out of phase, what effect would this have on the interference pattern?
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