2-3: 1 SEE ANSWER
Appearance
Answer: A (pair 1)
Frequency is the number of complete cycles that occur in a given increment of time. From the visuals we can see that pair 1 completes three cycles in the same time it takes pair 2 to complete 1 1/2 cycles. Therefore, pair 1 would have the greater frequency.
- REDIRECT 2-3 Superposition of Waves