to the left are two examples of a light wave traveling through an unknown medium. which medium is more…

to the left are two examples of a light wave traveling through an unknown medium. which medium is more dense?\ntop\nthey are equally dense.\nbottom
Answer
Explanation:
Step1: Recall light - medium relationship
The more dense a medium is, the more the light wave is compressed (shorter wavelength).
Step2: Compare wavelengths
The bottom light - wave has a shorter wavelength within the medium compared to the top one.
Answer:
Bottom