If someone is around a corner from you, what is the mainreason you can hear him speaking but can’t see him?(a) Sound travels farther in air than light does.(b) Sound can travel through walls, but light cannot.(c) Sound waves have long enough wavelengths to bendaround a corner; light wavelengths are too short tobend much.(d) Sound waves reflect off walls, but light cannot.
If someone is around a corner from you, what is the mainreason you can hear him speaking but can’t see him?(a) Sound travels farther in air than light does.(b) Sound can travel through walls, but light cannot.(c) Sound waves have long enough wavelengths to bendaround a corner; light wavelengths are too short tobend much.(d) Sound waves reflect off walls, but light cannot.
University Physics Volume 3
17th Edition
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:William Moebs, Jeff Sanny
Chapter3: Interference
Section: Chapter Questions
Problem 82AP: A Michelson interferometer is used to measure the wavelength of light put through it. When the...
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Question
If someone is around a corner from you, what is the main
reason you can hear him speaking but can’t see him?
(a) Sound travels farther in air than light does.
(b) Sound can travel through walls, but light cannot.
(c) Sound waves have long enough wavelengths to bend
around a corner; light wavelengths are too short to
bend much.
(d) Sound waves reflect off walls, but light cannot.
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