Wave Motion 1 Question 15
15. A travelling wave has the frequency $v$ and the particle displacement amplitude $A$. For the wave the particle velocity amplitude is ….. and the particle acceleration amplitude is
$(1983,2 M)$
Analytical & Descriptive Question
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Answer:
Correct Answer: 15. $y=(0.1 m) \sin \left[(30 rad / s) t \pm\left(1.5 m^{-1}\right) x+\phi\right]$
Solution:
- (a) Particle velocity amplitude means maximum speed
$$ =\omega A=2 \pi v A $$
(b) Particle acceleration amplitude
$$ =\omega^{2} A=4 \pi^{2} v^{2} A $$
