• We need your support!

    We are currently struggling to cover the operational costs of Xtremepapers, as a result we might have to shut this website down. Please donate if we have helped you and help make a difference in other students' lives!
    Click here to Donate Now (View Announcement)

Physics little help

Messages
400
Reaction score
33
Points
38
Hey guys can you explain me how to find the answer of the first part of the question..ThankYou!
Capture.PNG
 
Messages
463
Reaction score
1,388
Points
153
we consider the wavelength of one wave to be 360 degrees. notice that the crest of 2nd wave is HALF wavelength away from the crest of first wave. so the phase difference is 180 degrees. Thats how i percieve this
 
Top