Wave equations of two particles are given by \[{{y}_{1}}=a\sin (\omega – McqOptions

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1.	Wave equations of two particles are given by \[{{y}_{1}}=a\sin (\omega \,t-kx)\], \[{{y}_{2}}=a\sin (kx+\omega \,t)\], then [BHU 1995]
A.	They are moving in opposite direction
B.	Phase between them is 90°
C.	Phase between them is 180°
D.	Phase between them is 0°
Answer» B. Phase between them is 90°

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