Question

Wave pulse on a string shown in figure is moving to the right without changing shape. Consider two particles at positions x1 = 1.5 m and x2 = 2.5 m. Their transverse velocities at the moment shown in figure are along directions :

(A) positive y–axis and positive y–axis respectively

(B) negative y–axis and positive y–axis respectively

(C) positive y–axis and negative y–axis respectively

(D) negative y–axis and negative y–axis respectively

Answer 1

Correct option (B)

Explanation:

Dotted shape shows pulse position after a short time interval. Direction of the velocities are decided according to direction of displacements of the particles.