The diagram shows the propagation of a progressive wave. A, B, C, D, E are five points on this wave Which of…
The diagram shows the propagation of a progressive wave. A, B, C, D, E are five points on this wave
Which of the following points are in the same state of vibration?
$\mathrm{A}, \mathrm{B}$
B, C
B, D
E, B
Solution
Points E and B are in same phase as they are $2 \lambda$ distance apart.