Question

which line has the greatest frequency? * green (top) red (middle) blue (bottom)

Explanation:

Step1: Understand frequency concept

Frequency is number of waves per unit - time.

Step2: Observe wave patterns

The blue (bottom) wave has more cycles in the same time - interval compared to green (top) and red (middle) waves. So, it has the greatest frequency.

Answer:

C. blue (bottom)