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clc;
clear all;
T = 300; // Temperature in kelvin
c = 3e8;// Velocity of air
h = 6.626e-34; // Plancks constant
k = 1.38e-23; // Boltzmanns constant
e = 1.602e-19; // Charge of an electron
lambda = 5000e-10; // Wavelength of light in meters
r = exp(((h*c)/(k*T*lambda))); // Temporary variable
t = (1/(r-1)); //t =(Stimulated emission/Spontaneous emission)
disp('',t,'Ratio between stimulated emission and spontaneous emission')
// Slight variation in answer as compared to textbook..checked in calculator alsoo..
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