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13-11-2014
Chemistry

Answered

lambda=?

c=299,792,458

f=2x10to the 12th Hz

lambda=c/f

how do I solve this?

Verified Answer :

13-11-2014

\(\lambda=\frac{c}{f}\\\\ c=299729458\frac{m}{s}\approx3*10^{8}\frac{m}{s}\\\\ f=2*10^{12}Hz=2*10^{12}\frac{1}{s}\\\\ \lambda=\frac{3*10^{8}\frac{m}{s}}{2*10^{12}\frac{1}{s}}=1,5*10^{8-12}*\frac{m}{s}*s=1,5*10^{-4}m\)

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