MCQ
Which of the following statements is wrong
- ASound travels in straight line
- BSound is a form of energy
- CSound travels in the form of waves
- ✓Sound travels faster in vacuum than in air
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${y_1} = 2a\sin (\omega t - kx)$ and ${y_2} = 2a\sin (\omega t - kx - \theta )$
The amplitude of the medium particle will be