Refer to Exhibit 18-1 below.Exhibit 18-1 The figure below shows wave crests after a stone is thrown into a pond. The phase difference in radians between points A and D is:
A)( $\pi$.)
B)2 $\pi$.
C)3 $\pi$.
D)4 $\pi$.
E)5 $\pi$.

Question

Refer to Exhibit 18-1 below.Exhibit 18-1 The figure below shows wave crests after a stone is thrown into a pond.  The phase difference in radians between points A and D is:
A)( $\pi$.) 
B)2 $\pi$. 
C)3 $\pi$. 
D)4 $\pi$. 
E)5 $\pi$.

Quizplus · Accepted Answer

Points A and D are on opposite sides of the wave, with two peaks and one trough in between them. This corresponds to a phase difference of 3π radians.

Refer to Exhibit 18-1 Below π\piπ ) B)2 π\piπ C)3 π\piπ D)4

Refer to Exhibit 18-1 Below $\pi$ )
B)2 $\pi$
C)3 $\pi$
D)4