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chapter 3 test

Terms

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

Deck Info

15

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