Question

The maximum elevation in a displacement-time graph of a transverse wave is called a and maximum depression is called a .

• A. compression
• B. crest
• C. trough
• D. rarefaction

Answer 1

Answer: (B), (C)

The correct options are
B crest
C trough

In a transverse wave, each particle oscillates about its mean position. During oscillation, they attain extreme positions on both sides of the mean point. Out of these the highest point is called crest and the lowest point is called trough.