Question

choose the correct answer.
credit science.nasa.gov
in which image(s) is the dragonfly on the crest of this transverse wave?
a and c
b

Explanation:

In a transverse wave, the crest is the highest point of the wave. Looking at the images:

• In image A, the dragonfly is at a trough (low point).
• In image B, the dragonfly is at the crest (highest point).
• In image C, the dragonfly is at a trough (low point).

Answer:

B