If phase of the particle A at time t is greater than phase of next particle B at that time. The direction of travel of wave is

B to A

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A to B

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Parallel to line BA

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Perpendicular to line BA

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Solution

The correct option is A B to A
Wave travels towards higher phase. Or you can put in the equation $Y = a sin (- t + k x) .$
Put $t = 0$ as we can take any time. We can see that the forward going wave goes from lower phase lets say $0$ to higher phase, lets say $π$ which is at higher $x$ .

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If phase of the particle A at time t is greater than phase of next particle B at that time. The direction of travel of wave is

The correct option is A B to AWave travels towards higher phase. Or you can put in the equation Y=asin(−t+kx). Put t=0 as we can take any time. We can see that the forward going wave goes from lower phase lets say 0 to higher phase, lets say π which is at higher x.

The correct option is A B to A
Wave travels towards higher phase. Or you can put in the equation $Y = a sin (- t + k x) .$
Put $t = 0$ as we can take any time. We can see that the forward going wave goes from lower phase lets say $0$ to higher phase, lets say $π$ which is at higher $x$ .