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Get Answers to all your Questions
Q.15.19 Explain why (or how) :
(a) in a sound wave, a displacement node is a pressure antinode and vice versa,
Answers (1)
In the propagation of a sound wave the pressure increases at points where displacement decreases, Therefore maximum pressure at points of minimum displace and vice-versa i.e. a displacement node is a pressure antinode and vice versa.
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