Question

The wavelength of light is defined as

how many waves pass a certain point each second
the distance from the crest of one wave to the crest of the next wave
how long it takes for one wave to pass a certain point
how tall the wave is
@JokerSmart

Answer 1

length ... distance

Count? No.
Time? No.
Height? No.

Just reason it out.

Answer 2

@JokerSmart

Answer 3

@dtan5457

Answer 4

@Abhisar

Answer 5

the distance from the crest of one wave to the crest of the next wave
(C)

Answer 6

(b)*

Answer 7

Wait, didn't I say that?

Answer 8

Wtf the warning was harsh O-O

Answer 9

B. The distance from the crest of one wave to the crest of the next wave.