A 5,600 km long transatlantic (NYC-London) communications cable made of optical fibers with nf~ 1.5. A white light pulse is generated at the input end in NYC. Refractive index for red light is nred =1.51, and for blue light nblue = 1.53. Find
1) the distance between the blue and red pulses in London,
2) what is the length (second) of the blue-red-pulse (envelope) in London,
3) find the MUDR for such cable.