Recent content by PhysicsAShelp

  1. P

    What is the phase difference between points P and R in Figure 4?

    Hmmm, I wonder if maybe you do it to the nearest 90? Because on another question I get 268 the answer is 270 though...? EDIT:: For the C1 exam do you guys reckon if it asked for the phase difference in degrees I'd round it to the 180,270 etc or just the normal 3sigfig?
  2. P

    What is the phase difference between points P and R in Figure 4?

    Phase Difference - Waves! Help! URGENT Homework Statement Firstly, can I add that this question is second part of a question , the first part asked me to find the amplitude and wavelength of a wave from a picture, I got these to be a) Amplitude = 8mm - b) Wavelength = 47mm <<<<These two are...