Use Equation 3.30 to estimate the maximum amount of time a 500-nm virtual photon can exist in real space. What is radiative lifetime?  In Equation 3.33, how many multiples of the radiative lifetime...

Use Equation 3.30 to estimate the maximum amount of time a

500-nm virtual photon can exist in real space.

What is radiative lifetime?

 In Equation 3.33, how many multiples of the radiative lifetime constant

occur before the value of n(t) is effectively zero? Hint: graph the

equation.