# Hello, I'm totally lost on how to solve this physics problem. Where/how do I insert the variables??

"Light travels from one material with a refractive index (n1=1.5) to another material with refractive index (n2=1.7). If it strikes the surface at a 45° angle (it would also be 45° to the normal), what is the resulting angle (from the normal) in the second material?"

Thank you!!

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