In aperiodic wave wavelength is the distance between two cosecutive crests or two consecutive troughs.

Between two crests, there is a trough exactly in the middle of the two crests.

Therefore,

The distance between a crest and next trough is the half of the distance between two crests. So the...

## See

This Answer NowStart your **48-hour free trial** to unlock this answer and thousands more. Enjoy eNotes ad-free and cancel anytime.

Already a member? Log in here.

In aperiodic wave wavelength is the distance between two cosecutive crests or two consecutive troughs.

Between two crests, there is a trough exactly in the middle of the two crests.

Therefore,

The distance between a crest and next trough is the half of the distance between two crests. So the distance between crest and next trough is wavelength/2.

**Further Reading**