Giving reasons for your selection, select pairs out of the following four waves in a
Channel: Doubtnut
Date: 2020-08-02

Giving reasons for your selection, select pairs out of the following four waves in a medium in a medium which will give rise to (i) beats (ii) destructive interference (iii) stationary waves.  1. `xi_(1)=Acos2pi(v_(1)t+(x)/(lambda_(1)))`  2. `xi_(2)=Acos[2pi(v_(1)t+(x)/(lambda_(1)))+pi]`   3. `xi_(3)=Acos2pi(v_(2)t+(x)/(lambda_(2)))`  4. `xi_(3)=Acos2pi(v_(2)t-(x)/(lambda_(2)))`