Light waves strike a lamp shade. What property of light is demonstrated?
diffuse reflection*
diffraction
refraction
regular reflection
4 answers
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The answer is “A.” When light waves strike a lamp shade, the property such as refraction is demonstrated, because in this case light enters a material or medium by bending and slowing down. Refraction change in direction of propagation of any wave as a result of its traveling at different speeds at different points along the wave front. The main purpose of a lamp shade to diffuse or redirect the light from the bulb for maximum effectiveness and protect your eyes from the bulb's glare. With no shade at all, a bare bulb's light goes out equally in all directions.
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