Data transmitted along glass fiber cables is in the form of pulses of monochoromatic red light each of duration 2.5 ns. Which can be the best estimate of the no. of wavelenghts in each pulse..

Duplicate question - asked and answered here: https://www.askmehelpdesk.com/math-sciences/fibre-transmission-672232.html

Thank you!. and please ans my other question as well...