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Waves are disturbances that propagate through space and time. Classically, they travelled through a medium, disturbing the particles but not changing their mean position. Electromagnetic waves/particle-waves need no medium; they are disturbances in their respective fields.

0 votes
1 answer
137 views

Which procedure could help decide whether a string's total length has a separate effect from...

(A) Repeating the experiment with a string that does not noticeably stretch when the tension is increased (B) Repeating the experiment but producing standing waves with two antinodes (C) Repeating the … Edit: the question comes from an AP physics 1 practice test but the unit concerning waves was removed from the test, but because the question is testing knowledge in an experimental/lab setting it's still …
LostPositron's user avatar
6 votes
4 answers
697 views

What frequency of cord shaking maintains the same vertical motion for a point on the cord af...

I'm studying for my upcoming AP Physics 1 exam but can't figure out this problem A student shakes a horizontally-stretched cord, creating waves. … The student then tightens the cord so that waves on it will travel faster than before. …
LostPositron's user avatar