Visible light

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Description

Visible light is just one of seven of the main types of waves which make up the electromagnetic spectrum.  This video describes visible light in more detail, and explains the factors which affect the colour of an opaque object.

Key Words

frequency, speed, velocity, wavelength, reflection, absorb, transmit, reflect, absorption, transmission, visible light, colour, light, prism, spectrum, transparent, translucent, opaque, filter

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