the answer would be B) displacement of particles is perpendicular to the direction of wave motion
<span>I think the average velocity b/w t =a and t= b would be
Avg vel. = change in vel./ change in time</span>
Answer:
True
Explanation:
No matter what it is, even photons, they still have a force acting upon them whether it affects them or not.
D) both air temperature and medium
<u>True</u> is your answer.
Hope this helps....