Well, the answering 'tutor's' fomulas may be approximately OK, especially if lifted from some random handbook, but his understanding of beat frequency is rubbish.
Instead mechanically using the signs that come out of these arbitrary formulas, you should find the difference between absoulte...
It is certainly difficult to practically verify what the imaginary dot from the rotating laser beam would or would not do on the Moon. So please consider the following fact - reality check regarding feasibility of the transverse beam: in 1970 Tectronix produced an oscilloscope whose horizontal...
I guess that the underlying but un-articulated point in most of the questions is this: do the photons, exiting from the rotating source of light, have any tangential velocity, in addition to the outward radial speed of light. Ie, are they traveling radially as the traditional view has it, or in...