Question

How can you measure wavelength

Answer 1

You can measure it in meters

Step-by-step explanation:

From trough to trough (bottom of wavelength) or crest to crest (top of wavelength).

Answer 2

you can use an oscilloscope to measure the waves from electrical signals

However a wavelength is measured from crest to crest

Step-by-step explanation:

An oscilloscope is a piece of laboratory equipment used to measure waves from electrical signals