A light hits a surface at an angle of 16°. The material on the other side of the surface has an index of refraction of 1.44 and the light is making an angle of 15° with the surface when it exits on this side. What is the index of refraction on the incident side of the interface?
"n_2=n_1\\frac{\\sin\\alpha}{\\sin\\beta}=1.53."
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