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derek w

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Posts posted by derek w

  1. Ok.I will re-state the point I was trying to make.

    There are 2 frames of reference in this example,(1) is the passenger on the train,(2) is the observer by the side of track,which includes the lightning strikes to the rear and front of train.

    To replace the example of light travelling in these 2 frames of reference,with balls,you must have 1 set in the first frame of reference(1) travelling from front and rear of train arriving at the passenger at the same time,and a 2nd set in the frame of reference(2) travelling from front and rear of train to the observer also arriving at same time.

  2. If the train was travelling at 120 mph,then the passenger would be travelling at 120 mph.A ball travelling from front of train to passenger(at middle of train) at 50 mph would have a speed of 120 - 50 mph = 70 mph.The passenger in effect would be travelling towards the ball at 50 mph.A ball travelling from back of train to passenger at 50 mph would be travelling at 120 + 50 mph = 170 mph in effect the ball would be travelling towards the passenger at 50 mph.

     

    Light would travel at the speed of light (c ) irrelevant of the speed of the train.

  3. Interesting.But if two bowling balls were dropped on a trampoline,the surface of the trampoline would become curved and the balls would bounce towards the centre and collide.

    The ping pong balls displace water as they hit it.When the water rebounds what shape does it create?

  4. How does a photon come from empty space?

     

    If you have a 4th dimension then you can mathematically,oscillate a single point in 3d space in the 4th dimension.

     

    If S=single point in 3d space then you can have (S) oscillating between ( -sec/10^18) to (+sec/10^18).

     

    But that's just maths.

  5. OK,thanks.

    If it were anti-hydrogen atom,consisting of anti-proton and positron,emitted photons would be identical,anti-hydrogen and hydrogen having the same emission spectra.

    A photon emitted from anti-hydrogen could be absorbed by hydrogen.

  6. So if a hydrogen atom,consisting of a (proton and a captured electron),absorbs a photon,and the electron is knocked out,the electron and proton take away the energy of the photon,the photon no longer exists.visa versa if an ionized hydrogen atom captures an electron,any excess energy is taken away,by creating and emitting a photon.

     

    Basically photons do not exist inside atoms.

  7.  

     

    The phases of water don't apply; there is no way to turn e.g. a single photon or electron into something else. A photon is uncharged. There's no way to give it charge. It's spin-1. There's no way to turn it into a spin-1/2 particle.

     

     

     

     

    Except that spin-1 photons can collide and become electron/positron pair with spin-1/2.

    And visa versa electron and positron with spin-1/2 can annihilate to produce photons spin -1.

  8. Question.When an atom absorbs a photon and the electron jumps to a higher energy level e.g. from n to n1 or n1 to n2.

    The frequency of the photon being a mid point between n and n1 or n1 and n2.

    The wavelength of the electron must fit the circumference.

    My question is does the wavelength of the electron change as it jumps between levels?

    I assume that it must do,so that a different frequency of photon is required at different levels,but I am not sure?

  9. All oscillations have a point of equilibrium,an oscillation can be considered as moving from a negative point to a positive point through the point of equilibrium at zero.

    Even a wave function as amplitude of probability has a point of equilibrium.

    A photon can be considered as an oscillation from negative to positive about the point of equilibrium.

    Where as an electron can be consider as an oscillation on the negative side of equilibrium and a positron as an oscillation on the positive side of equilibrium.

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