Question

In the figure, A is an incident pulse and a, b, c, d are the possible forms of the reflected pulse. Tick the correct answer.

• A. a is after reflection form a rigid wall
• B. b is after reflection from a yielding surface
• C. c is after reflection from a yielding surface
• D. d is after reflection from a rigid wall

Answer 1

Answer: (B), (D)

The correct options are
B b is after reflection from a yielding surface
D d is after reflection from a rigid wall

After reflection from a yielding surface, no phase chase change occur where as a phase change of 180 degree after reflection from a rigid wall