A noisy truck approaches you from behind a building.

Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli

Problem 10Q Chapter 12

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli

Physics: Principles with Applications | 6th Edition

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Problem 10Q Problem 10Q

A noisy truck approaches you from behind a building. Initially you hear it but cannot see it. When it emerges and you do see it, its sound is suddenly “brighter”—you hear more of the high-frequency noise. Explain. [Hint: See Section 11-14 on diffraction ]

Step-by-Step Solution:

Step-by-step solution

Step 1 of 1 </p>

We can hear the sound of the truck when it is behind a building because the sound waves undergoes diffraction like all other waves. That means the sound waves coming behind the building spread out in all direction.

After the truck passes the building and comes toward us, the sound of the truck becomes  sharper, that means we hear higher frequency sound, Because the wavelength of the waves that are...

Step 2 of 3

Chapter 12, Problem 10Q is Solved
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Textbook: Physics: Principles with Applications
Edition: 6th
Author: Douglas C. Giancoli
ISBN: 9780130606204

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