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Please write clearly the formulas and concepts behind it.

6. Sun light is normally incident on the surface of water with index of refraction n 1.33. (a) Find the energy reflection and transmission coefficients R and T. (R+T= 1) (5 marks) (b) If the incident flux is 1 kW/m, what is the pressure that sun light exerts on the surface of (5 marks) water?

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