Question

WHO IS CORRECT AND CAN YOU SAY WHY
THE FIRST SLIDE IS THE QUESTION
CHOSE A OR B

Answer 1

Answer:

1:-0.025

2:-0.02

3:-0.05

4:-0.03

Explanation:

λ = wave speed/frequency

λ = 0.6/24=0.025

λ = 0.6/30=0.02

λ =0.6/12=0.05

λ =0.6/20=0.03