Answer:
no ... hahahha! but I know every boys wait for the day when their heart beat is faster than normal ever in life
I’m pretty sure the answer is C. Any change of state or movement requires energy
The basic difference is that the ordinary sources are incoherent that means that the discrete frequencies merge up to give an intermediate between the maximum and minimum frequencies. While the laser is coherent containing the single frequency with maximum amplitude. thus travelling far.
