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15 Cards in this Set
- Front
- Back
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Which waves are have the lowest amount of energy?
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radio
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Define frequency.
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The number of waves that pass a given point in one second.
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What kind of reflecting surface does a plane mirror have?
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flat
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Why is it impossible to see objects in a completely black room?
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Light waves need to be reflected from the object to your eyes.
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What does the law of reflection state?
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The angle of incidence is equal to the angle of reflection.
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What is the material in which a mechanical waves travels called?
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medium
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What type of image does a convex mirror always form?
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Right side up image that is smaller than object.
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How are electromagnetic waves classified?
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wavelength
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Define light ray
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Narrow beam of light traveling in a straight line.
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As wavelength increases, what happens to frequency?
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decreases
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Define refraction.
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Bending of a wave due to a change in medium.
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The color ___________ absorbs all visible light.
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black
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White part of the eye
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sclera
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Fluid in front of the lens
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Aqueous humor
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Contains rods and cones, lines the inside of the eyeball.
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Retina
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