Question

Lambda=?
c=299,792,458
f=2x10to the 12th Hz
lambda=c/f
how do I solve this?

Answer 1

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