Question

look at the diagram. which point identifies a node? a b c d

Explanation:

Step1: Recall node definition

A node is a point of zero amplitude in a standing wave.

Step2: Analyze each point

• Point A: At maximum amplitude (antinode).
• Point B: At zero amplitude (node).
• Point C: At maximum amplitude (antinode).
• Point D: Not on the wave itself.

Answer:

B. B