随意

随意 Pop Quiz

Which of the following is true about light waves?
Choose the right answer:
Option A It is a longitudinal wave.
Option B Its velocity depends on the composition of gas molecules.
Option C It is a mechanical wave.
Option D It consists of both magnetic fields and electric fields.
 YuukiTouma posted 一年多以前
跳过问题 >>
save
Cookies help us bring you Fanpop. By using Fanpop, you agree to our use of cookies. Learn More Got It!