Measurement instructions: Use figure 1 to make your measurements and record these measurements in the document called "Investigation into wave interference". 1. Using a ruler, measure and record, (in millimetres) the wavelength of the wave by measuring from the centre of one crest to the centre of another crest in Figure 1. 2. Measure the path length from S1 to the point on the first nodal line. Record this value in the table provided in the document called "Investigation into wave interference". For consistent measurements begin and end your measurements from the cross-hairs on the point sources and points. 3. Measure the path length from S2 to the point on the first nodal line. Record this value in the same document provided. 4. Complete the first row of the table provided by subtracting the path lengths to determine the path difference, and then expressing the path difference in terms of wavelength by dividing the path difference by the wavelength. 5. Repeat steps 2-4 for the points on the second and third nodal lines. 6. Now repeat steps 2-4 for the points on anti-nodal lines 0, 1, 2, and 3. S n = 3 PS A n = 2 m = 1 P P.S n = 2 n = 1 m=0 n = 1 m = 1 m=2 Figure 1: Two-point source Wave Interference Pattern
Measurement instructions: Use figure 1 to make your measurements and record these measurements in the document called "Investigation into wave interference". 1. Using a ruler, measure and record, (in millimetres) the wavelength of the wave by measuring from the centre of one crest to the centre of another crest in Figure 1. 2. Measure the path length from S1 to the point on the first nodal line. Record this value in the table provided in the document called "Investigation into wave interference". For consistent measurements begin and end your measurements from the cross-hairs on the point sources and points. 3. Measure the path length from S2 to the point on the first nodal line. Record this value in the same document provided. 4. Complete the first row of the table provided by subtracting the path lengths to determine the path difference, and then expressing the path difference in terms of wavelength by dividing the path difference by the wavelength. 5. Repeat steps 2-4 for the points on the second and third nodal lines. 6. Now repeat steps 2-4 for the points on anti-nodal lines 0, 1, 2, and 3. S n = 3 PS A n = 2 m = 1 P P.S n = 2 n = 1 m=0 n = 1 m = 1 m=2 Figure 1: Two-point source Wave Interference Pattern
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:Measurement instructions:
Use figure 1 to make your measurements and record these measurements in the document
called "Investigation into wave interference".
1. Using a ruler, measure and record, (in millimetres) the wavelength of the wave
by measuring from the centre of one crest to the centre of another crest in Figure
1.
2. Measure the path length from S1 to the point on the first nodal line. Record this
value in the table provided in the document called "Investigation into wave
interference". For consistent measurements begin and end your measurements
from the cross-hairs on the point sources and points.
3. Measure the path length from S2 to the point on the first nodal line. Record this
value in the same document provided.
4. Complete the first row of the table provided by subtracting the path lengths to
determine the path difference, and then expressing the path difference in terms
of wavelength by dividing the path difference by the wavelength.
5. Repeat steps 2-4 for the points on the second and third nodal lines.
6. Now repeat steps 2-4 for the points on anti-nodal lines 0, 1, 2, and 3.
S
n = 3
PS
A
n = 2
m = 1
P
P.S
n = 2
n = 1
m=0
n = 1
m = 1
m=2
Figure 1: Two-point source Wave Interference Pattern
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