NEET Physics Waves Questions Solved

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Two waves are given by y1=asin(ωtkx) and y2=acos(ωtkx). The phase difference between the two waves is 

(1) π4

(2) π

(3) π8

(4) π2

(4) y1=asin(ωtkx)

and y2=acos(ωtkx)=asinωtkx+π2

Hence phase difference between these two is π2.

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