From the figure above, you can conclude that
A) the medium to the left of the boundary is denser than the medium to the right.
B) the medium to the right of the boundary is denser than the medium to the left.
C) the pulse is initially traveling from right to left.
D) the wave has lost energy as a result.
E) None of these is correct.

Question

From the figure above, you can conclude that
A) the medium to the left of the boundary is denser than the medium to the right. 
B) the medium to the right of the boundary is denser than the medium to the left. 
C) the pulse is initially traveling from right to left. 
D) the wave has lost energy as a result. 
E) None of these is correct.

Quizplus · Accepted Answer

The arrow indicates that the pulse is traveling from left to right. When the pulse crosses the boundary and is partially reflected, it is traveling from a less dense medium (to the left) to a denser medium (to the right). Therefore, the medium to the right of the boundary is denser than the medium to the left.

From the Figure Above, You Can Conclude That