- Home
- Standard 11
- Physics
14.Waves and Sound
normal
The two waves represented by $y_1 = a\,sin(\omega\,t)$ and $y_2 = b\, cos\, (\omega\, t)$ have a phase difference of
A
$0$
B
$\frac{\pi }{2}$
C
$\pi$
D
$\frac{\pi }{4}$
Solution
$y_1=a \sin \omega t, \text { and } y_2=b \cos \omega t=b \sin \left(\omega t+\frac{\pi}{2}\right)$
So phase difference $\phi=\pi / 2$
Standard 11
Physics