Question

In this diagram,the distance known as the amplitude is shown by choice

Answer 1

Answer:

B

Explanation:

the amplitude is the distance from the resting point to the crest/trough.

Answer 2

Answer:

For those who are still confused the answer is B

Explanation:

If you say D it the wavelength but the question ask for distance so it asking whats the distance of the line in the middle to the top of the wave.