Oscillations Ques 12
12. A particle executing simple harmonic motion of amplitude $5$ $ cm$ has maximum speed of $31.4 $ $cm / s$. Its oscillation per second
[2005]
(a) $4$
(b) $3$
(c) $2$
(d) $1$
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Answer:
Correct Answer: 12.(d)
Solution:
- (d) In S.H.M., $v _{\max }=A \omega=A(2 \pi f)$
$f=\frac{v _{\max }}{2 \pi A}=\frac{31.4}{2(3.14) \times 5}=1$ oscillation per sec.
BETA
