Conceptual Physical Science Explorations
2nd Edition
ISBN: 9780321567918
Author: Paul G. Hewitt, Leslie A. Hewitt, John A Suchocki
Publisher: Addison Wesley
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Textbook Question
Chapter 12, Problem 8RAT
When sound or light undergoes interference, it can sometimes
(a) build up to an amplitude greater than the sum of amplitudes.
(b) cancel completely.
(c) Both of these.
(d) Neither of these.
Expert Solution & Answer
To determine
The correct option for the statement “When sound or light undergoes interference, it can sometimes”.
Answer to Problem 8RAT
The correct option for the statement “When sound or light undergoes interference, it can sometimes” is option (c).
Explanation of Solution
Interference is of two kinds, constructive interference, and destructive interference. When the crest of one wave projects the crest of another wave, then the crests there will combine together. The result is a wave of increased amplitude. This is constructive interference.
When the crest of one wave overlaps the trough, the high portions of one wave will simply fill in the low portions of the other. This is destructive interference, here, the amplitude will be zero. Thus, based on the kind of interference, the resultant amplitude varies.
Conclusion:
Therefore, correct option for the statement “When sound or light undergoes interference, it can sometimes” is option (c).
Chapter 12 Solutions
Conceptual Physical Science Explorations
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Ch. 12 - Prob. 11RQCh. 12 - Does sound tend to bend upward or downward when...Ch. 12 - Why does a struck tuning fork sound louder when it...Ch. 12 - Give three examples of forced vibration.Ch. 12 - Distinguish between forced vibrations and...Ch. 12 - When you listen to a radio, why are you able to...Ch. 12 - What kind of waves exhibit interference?Ch. 12 - Distinguish between constructive interference and...Ch. 12 - In the Doppler effect, does frequency change? Does...Ch. 12 - Can the Doppler effect be observed with...Ch. 12 - How does the V-shape of a bow wave depend on the...Ch. 12 - How does the V-shape of a shock wave depend on the...Ch. 12 - True or False: A sonic boom occurs only when an...Ch. 12 - True or False: In order for an object to produce a...Ch. 12 - Prob. 1PCCh. 12 - Prob. 2PCCh. 12 - Find the speed of a wave with a frequency of 3Hz...Ch. 12 - Find the speed of a wave with frequency of 340Hz...Ch. 12 - The waves below have the same frequency...Ch. 12 - A fire engine sounds its siren as it approaches...Ch. 12 - If we double the frequency of a vibrating object,...Ch. 12 - If the frequency of the sound wave is doubled,...Ch. 12 - Red light has longer wavelength than blue light....Ch. 12 - You dip your finger repeatedly into a puddle of...Ch. 12 - Why will marchers at the end of a long parade...Ch. 12 - What two physics mistakes occur in a science...Ch. 12 - A cat can hear sound frequencies up to 70,000 Hz....Ch. 12 - You notice smoke from the starter's gun at a...Ch. 12 - In an Olympic competition, a microphone picks up...Ch. 12 - Sound from Source A has twice the frequency of...Ch. 12 - If the speed of sound depended on frequency, how...Ch. 12 - Why is an echo weaker than the original sound?Ch. 12 - What is the danger posed by people in the balcony...Ch. 12 - What physical principle is used by Manuel when he...Ch. 12 - Would there a Doppler effect if the source of...Ch. 12 - When you blow your horn while driving toward a...Ch. 12 - Astronomers find that light coming from one edge...Ch. 12 - Does the conical angle of a shock wave open wider,...Ch. 12 - If the sound of an airplane does not originate in...Ch. 12 - Why is it that a subsonic aircraft, no matter how...Ch. 12 - A weight suspended from a spring bobs up and down...Ch. 12 - From far away you watch a woman driving nails into...Ch. 12 - A skipper on a boat notices waves crests passing...Ch. 12 - An oceanic depthsounding vessel surveys the ocean...Ch. 12 - A bat flying in a cave emits a sound and receives...Ch. 12 - What frequency of sound produces a wavelength of...Ch. 12 - When we consider the distance a pendulum swings to...Ch. 12 - If the frequency of a particular wave is 30Hz, its...Ch. 12 - In Europe, alternating electric current vibrates...Ch. 12 - If you dip your finger repeatedly onto the surface...Ch. 12 - The vibrations along a longitudinal wave move in a...Ch. 12 - A common example of a transverse wave is (a)...Ch. 12 - When your radio set is tuned to an incoming radio...Ch. 12 - When sound or light undergoes interference, it can...Ch. 12 - What does NOT occur with the Doppler effect are...Ch. 12 - A sonic boom is the result of wave (a)...
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