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Click on the button next to the response that best answers the question.
1. A material that reflects or absorbs all of the light that strikes it is
a.
translucent.
b.
transparent.
c.
opaque.
d.
invisible.
2. A flat or plane mirror produces an image that is
a.
inverted.
b.
smaller than actual size.
c.
larger than actual size.
d.
right-side up.
3. The result of parallel light rays striking a bumpy surface is
a.
diffuse reflection.
b.
regular reflection.
c.
total reflection.
d.
no reflection.
4. When light rays enter a medium at an angle they
a.
stop moving.
b.
change speed and direction.
c.
bounce back.
d.
get magnified.
5. A concave lens produces
a.
real images only.
b.
virtual images only.
c.
either real or virtual images.
d.
neither real nor virtual images.
6. The color of an object is the color of the light it
a.
absorbs.
b.
diffracts.
c.
reflects.
d.
transmits.
7. Which of the following pairs is an example of complementary colors of light?
a.
cyan and yellow
b.
magenta and cyan
c.
green and red
d.
yellow and blue
8. Light enters the eye through the transparent front surface called the
a.
cornea.
b.
iris.
c.
retina.
d.
lens.
9. The layer of cells lining the inside of the eyeball is called the
a.
cornea.
b.
iris.
c.
retina.
d.
lens.
10. Which of these uses light waves of one wavelength only?
a.
telescope
b.
microscope
c.
laser
d.
camera