I don't know what a t.t.l is but I do know that the propagation of the speed of light compared to velocity is explained in Einstien's Special Theory of Relativity. It basically states that as an object approaches the speed of light, distance becomes greater, and time slows down (compared to an object at rest). Unfortunately, there is no way to truly tell if you are at rest. Sure you can say that you are at rest if you are standing still but realize that the Earth is moving through the galaxy at some 30,000 mph at this very moment. The reason for the change in time and space is that the speed of light is constant, no matter how emitted or recorded. This means that light will travel at the speed C even if you are moving at C/2 to begin with. someone approaching you at the same speed will witness the light pass them at the speed C. Someone else standin still (compared to the other two) will also witness the light pass by at the speed C. Get the point? If you need more information just read Einstiens relativity book on the special and general theory; it's tough reading, but it explains everything.
Light travels at the speed of light. There is no general velocity of light because velocity is a vector quantity, it also contains a direction and there is no preferred direction for light rays in general. Another answer: The speed of light has been calculated to be 186,000 miles per second.
A plane including the direction of light propagation and the direction of electric field is called the "plane of vibration". The "plane of polarization" is a confinement of the electric/magnetic field vector to a given plane along the direction of propagation.
Electromagnetic Waves all have constant velocity which are equal to the speed of light. It is only the frequency of the wave that differentiates ie between radio, gamma, X-ray. The velocity is always fixed at 3 x 10^8 ms^-1 which is equivalent to the speed of light.
The relationship between time and space is, r=ct or space = the speed of light times time.Time t = r/c or time is space divided by the speed of light.Space r is a real number as time t and cthe speed of light.
The same.
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The relationship v = T * λ (speed = frequency * wavelength) is true for all waves. For anything with a constant speed, higher frequency means shorter wavelength.
Energy,E=h*c/Wavelength h is Planks const.,c is velocity of light
Rectilinear propagation of light theory states that light travels in a straight line.
Alhazen
light
They are inversely related. The product of these two would give the velocity of electromagnetic wave in the medium. The frequency character would never change as the wave changes from one medium to the other. But as the speed changes then definitely its wavelength would change
From rectilinear propagation of light.