Light and Optics
diffuse reflection -
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bouncing back of light from an uneven surface.
electromagnetic spectrum -
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arrangement of electromagnetic waves in order of wavelength and
frequency.
farsightedness -
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condition in which the eyeball is too short, causing images to form behind
the retina; it is corrected with a convex lens.
fluorescent light -
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visible light emitted by a phosphor particle when it absorbs energy such as
ultraviolet light.
gamma ray -
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EM waves with very high energy and not mass or charge; they are emitted
by the nucleus of a radioactive atom.
illuminated object -
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a visible object that are not a light source.
incandescent light -
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light produced by hot objects.
infrared ray -
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EM waves that are between microwaves and visible light in the
electromagnetic spectrum.
luminous object -
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objects that produce visible light.
microwave -
