Wave motionHardBloom L3
Question
y (x, t) = 0.8/[(4x + 5t)2 + 5] represents a moving pulse, where x & y are in meter and t in second. Then:
Options
A.pulse is moving in +x direction
B.in 2s it will travel a distance of 2.5 m
C.its maximum displacement is 0.16 m
D.it is a symmetric pulse.
Solution
Sol. vw = $\frac{5}{4}$ = 1.25 m/s in –ve x direction
ymax = $\frac{0.8}{5}$ = 0.16 m
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