MCQ
Two waves with same amplitude and frequency superpose at a point. The ratio of resultant intensities when they arrive in phase to that when they arrive 90° out of phase is ______.
$\left[\cos \frac{\pi}{2}=0\right]$
$\left[\cos \frac{\pi}{2}=0\right]$
- A4 : 1
- ✓2 : 1
- C1 : 2
- D$\sqrt{2}: 1$