Concept explainers
a. Waves spread out when they pass through an opening. Does spreading become more or less pronounced for narrower openings?
b. What is this spreading called?
(a)
Whether the spreading becomes pronounced for narrower openings.
Answer to Problem 2A
The waves are more pronounced for narrower openings.
Explanation of Solution
The waves are more pronounced for narrower opening because, as the size of the openings is decreasing then the diffraction increases.
Conclusion:
Hence, waves are more pronounced for narrower opening
(b)
To Write: The phenomenon of spreading.
Answer to Problem 2A
This spreading is called diffraction.
Explanation of Solution
Diffraction is the process of waves spreading around obstacles. Therefore, waves are more pronounced for narrower opening because, as the size of the openings is decreasing then the diffraction increases.
Conclusion:
This spreading is known as diffraction.
Chapter 31 Solutions
Conceptual Physics: The High School Physics Program
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