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Login1.) A beam of light hits at an angle of 35 degrees to the mirror surface. Determine the angle of reflection? 2.) A beam of light travels from air to water. If the refractive index for water is 1.5; the refractive index of air is 1 and the speed of light propagation in the air is 3 × 10 ^ 8. So determine the speed of light propagation in water? please answer? please use this method please .......!
Math Secondary School in Math 9 months ago
own: angle of view = 35⁰ Asked: large angle of reflected lightAnswered: According to the law of light REFLECTION: 1. incident ray, reflected ray, and normal LINES lie on one flat plane2. the incident angle of light (i) is the same as the angle of reflection (r)So that the angle of reflection is the same is 35⁰No.2 KNOWN : na = 1.5 nu = 1 vu = 3x10⁸ m / s Asked: Va? ANSWERED: Va / Vu = nu / na Va / 3x10⁸ = 1 / 1.5 Va = 1 / 1.5 X 3x10⁸ Va = 2x10⁸ m / s
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