MCQ
The two waves represented by $y_1=a \sin (w t)$ and $y_2=b \cos (\omega t)$ have a phase difference of
  • A
     $0$
  • $\frac{\pi}{2}$
  • C
    $\pi$
  • D
    $\frac{\pi}{4}$

Answer

Correct option: B.
$\frac{\pi}{2}$
$\frac{\pi}{2}$

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