Sun June 26, 2011 By: Amrut Bhokardankar

what do you mesn by wave in phase and wave out phase

Expert Reply
Mon June 27, 2011
When the phase difference between two waves is zero then they are called to be in pase and when the phase difference is not zero then they are called out of phase. 
Tue February 07, 2017

Please solve:  

Home Work Help