Q. 9

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Found in: Page 450

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics

Book edition 4th
Author(s) Randall D. Knight
Pages 1240 pages
ISBN 9780133942651

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FIGURE Q16.9 shows the wavefronts of a circular wave. What is the phase difference between (a) points A and B, (b) points C and D, and (c) points E and F?

a) The phase difference between A and B is zero.

b) The phase difference between points C and D is 4π radians

c) The phase difference between points E and F is π radians

See the step by step solution

Step 1. Write the given information

The wavefronts of a circular wave with different points are given in the diagram

It is the locus of all the points which are having the same phase

The phase difference between adjacent wavefronts is 2π radians

Step 2. To analyze the diagram of the circular wave.

1. The phase difference between A and B is zero because, both the points are on the same wave front. Therefore, A and B are having the same phase.
2. The phase difference between points C and D is 4π radians as they are having one wave front between them
3. The phase difference between E and F is π radians as their wave fronts are adjacent to each other.

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