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CGP EDU Academic Team
Published on: September 12, 2026
The amplitude and the time period in a S.H.M. is 0.5 cm and 0.4 sec respectively. If the initial phase is $\pi/2$ radian, then the equation of S.H.M. will be
Text Solution
Verified by ExpertsThe correct answer is:
D
$y = a \sin(\omega t + \varphi)$
$= a \sin\left(\frac{2\pi}{T} t + \varphi\right)$ ⇒ ⇒ $y = 0.5 \sin \left(\frac{2 \pi}{0.4} t + \frac{\pi}{2}\right)$
$y = 0.5 \sin \left( 5 \pi t + \frac{\pi}{2} \right) = 0.5 \cos 5 \pi t$
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