Wave Mechanics Question 718
Question: Equation of a stationary wave is $ y=10\sin \frac{\pi x}{4}\cos 20\pi t. $ Distance between two consecutive nodes is
[MP PMT 2002]
Options:
A) 4
B) 2
C) 1
D) 8
Show Answer
Answer:
Correct Answer: A
Solution:
On comparing the given equation with standard equation $ \frac{2\pi }{\lambda }=\frac{\pi }{4}\Rightarrow \lambda =8 $ Hence distance between two consecutive nodes $ \frac{\lambda }{2}=4 $
BETA
