Antinodal curves (red) mark positions where the waves from S, and S, interfere constructively. At a and b, the waves arrive in phase and interfere constructively. m = 3 m = 24 m = 1 m = 0 m = -1 m = -2 m = -3 At c, the waves arrive one half cycle out of phase and interfere destructively. m = the number of wavelengths A by which the path lengths from Sj and S2 differ.
Antinodal curves (red) mark positions where the waves from S, and S, interfere constructively. At a and b, the waves arrive in phase and interfere constructively. m = 3 m = 24 m = 1 m = 0 m = -1 m = -2 m = -3 At c, the waves arrive one half cycle out of phase and interfere destructively. m = the number of wavelengths A by which the path lengths from Sj and S2 differ.
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter37: Wave Optics
Section: Chapter Questions
Problem 37.7CQ: What is the necessary condition on the path length difference between two waves that interfere (a)...
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The two sources S1 and S2 shown in Fig. emit waves ofthe same wavelength λ and are in phase with each other. Suppose S1 isa weaker source, so that the waves emitted by S1 have half the amplitude of the waves emitted by S2. How would this affect the positions of the antinodal lines and nodal lines? Would there be total reinforcement at points on the antinodal curves? Would there be total cancellation at points on the nodal curves? Explain your answers.
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