What happens to light when it is reflected from a plane mirror, It bounces off the surface, What is the law of reflection, Angle of incidence equals angle of reflection, From which line are angles measured in reflection, The normal, What is refraction, Bending of light in media, Why does light refract when entering glass from air, Its speed decreases, What is refractive index, Measure of optical density, State the formula for refractive index in terms of speed, n = c / v, A material has refractive index 1.5 What does this mean, Light travels 1.5 times slower in that medium, What happens to a ray entering a denser medium, It bends towards the normal, What happens to a ray entering a less dense medium, It bends away from the normal, If the angle of incidence is 35 degrees what is the angle of reflection, 35 degrees, Calculate the refractive index if light travels at 2.0 × 108 m s-1 in a medium, 1.5, Calculate the speed of light in glass of refractive index 1.5, 2.0 × 108 m s-1, What is the normal in light diagrams, Perpendicular line to the surface, Which type of image is formed by a plane mirror, Virtual upright same size

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