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Physics
A travelling harmonic wave on a string is described by y = 7.5 sin (0.005x + 12t) in metre. Its time period in second is
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Q. A travelling harmonic wave on a string is described by $y$ = 7.5 sin (0.005$x$ + 12$t$) in metre. Its time period in second is
KEAM
KEAM 2012
A
$\frac{\pi}{12}$
B
$\frac{\pi}{6}$
C
$\frac{\pi}{3}$
D
$\frac{\pi}{2}$
E
$\pi$
Solution:
Correct answer is (b) $\frac{\pi}{6}$