how to calculate reflection refraction of photon in matlab in matlab

%% Define inputs
% Incident angle of photon (in degrees)
theta_i = 30;

% Index of refraction of medium 1
n1 = 1; 

% Index of refraction of medium 2
n2 = 1.5; 

%% Calculate reflection and refraction
% Convert incident angle to radians
theta_i = deg2rad(theta_i);

% Calculate reflected angle using law of reflection
theta_r = -theta_i;

% Calculate refracted angle using Snell's law
theta_t = asin((n1/n2)*sin(theta_i));

% Convert refracted angle to degrees
theta_t = rad2deg(theta_t);

%% Display results
disp(['Incident angle: ' num2str(theta_i) ' rad']);
disp(['Reflected angle: ' num2str(theta_r) ' rad']);
disp(['Refracted angle: ' num2str(theta_t) ' rad']);
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