Answer: 1.1·10^5 m/s Explanation: speed = wavelength · frequency v = λf and frequency f = 1/T , in which T = period Speed v= λ/T = 3.2·10^-7 m /2.8·10^-12 s = 114285,7 m/s Reply

Answer: 1.1·10^5 m/s

Explanation: speed = wavelength · frequency v = λf and

frequency f = 1/T , in which T = period

Speed v= λ/T = 3.2·10^-7 m /2.8·10^-12 s = 114285,7 m/s