Hope revision is going well. I'm struggling to understand unit three so that's what I've been focusing on.
I can't for the life of me figure this out. Can anyone help?
Two in-phase speakers A and B are emitting a signal of wavelength 1.06 m. A tape recorder is placed on the straight line between the speakers, 2.53 m from speaker A.
Calculate the shortest distance from the tape recorder that speaker B should be placed, to ensure constructive interference where the signal is recorded.
Answer = 0.41 m
Can someone explain how to do questions that deal with uncertainties? We haven't been taught any of it at all.
Does anybody have any last minute tips that we may forget in the exam?
Good luck everyone. I'll be honest I'm not looking forward to tomorrow because unit 3 was kinda rushed by our teacher.
How many sigfig is considered correct?