Oscillations

Question: A simple harmonic wave having an amplitude $a$ and time period $T$ is represented by the equation $y=5\sin \pi (t+4)m.$Then the value of amplitude ($a$) in ($m$) and time period ($T$) in second are

1) $a=10,\,T=2$

2) $a=5,\,T=1$

3) $a=10,T=1$

4) $a=5,\,T=2$

Solution:

Explanation: No Explanation

Time Period and Frequency

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