Class 11

Oscillations question bank (Physics)

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Q1.

Two equations of two $S.H.M.$ are $y = a\sin(\omega t - \alpha)$ and $y = b\cos(\omega t - \alpha)$. The phase difference between the two is .... $^\circ$.

(A)

$0$

(B)

$\alpha$

(C)

$90$

(D)

$180$

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Q2.

Which of the following expressions represent simple harmonic motion?

(A)

$x = A\sin (\omega t + \delta)$

(B)

$x = B\cos (\omega t + \phi)$

(C)

$x = A\sin \omega t \cos \omega t$

(D)

All of the above

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