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# Physics 30 Unit 3

TermDefinition
Transparent light passes through freely
Translucent light passes through and scatters (some absorbed/reflected)
Opaque no light passes through, all absorbed/reflected
Normal line drawn at perpendicular right angle to a solid barrier
Incident Ray incoming light ray
Reflected Ray light ray that bounces off
Angle of Incidence angle between incident ray and the normal (label: i)
Angle of Reflection angle between reflected ray and the normal (label: r)
Law of Reflection angle of reflection equals angle of incidence
Refraction bending of a wave when passing from one medium to another
Light passing from air to water bends ______ the normal toward
Light passing from water to air bends ______ the normal away from
Angle of Refraction angle between refracted ray and the normal (label: R)
Light Refracted in Air mirage
Converging Lens lens which makes light come together to a single point
Diverging Lens lens which spreads light apart
Snell's Law n1sinθ1=n2sinθ2
Real Image light rays focusing on an image
Images produced by plane mirrors are always _____ and _____ virtual, upright
Focal Length f=R/2
Real Images are always _____ upside down
Virtual Images are always _____ upright
Created by: vahajuddin

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