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Ch. 19-Part 3
Test Description: Light, Mirrors, and lenses
Instructions: Answer all questions to get your test result.
1) With a convex mirror, if the object is farther away than the focal point, a single point on the optical axis, the image will appear ___________________ and get _______________ as it moves away from the mirror.
A
right side up, larger
B
sideways, smaller
C
angled, larger
D
upside down, smaller
2) With a convex mirror, if the object is closer than the focal point, a single point on the optical axis, the image will appear ___________________ and get _______________ as it moves closer to the mirror.
A
upright, smaller
B
upside down, smaller
C
sideways, smaller
D
angled, largerf
3) Light waves spread out in all directions and you look at only one light wave, it is called a light ___________________.
A
axis
B
wave
C
point
D
ray
4) Light waves are part of the __________________________ because the y can travel through empty space and DO NOT need a ______________.
A
light spectrum, medium
B
light spectrum, frequency
C
electromagnetic spectrum, medium
D
electromagnetic spectrum, pitch
5) Light waves can travel through space and don't need a medium because their particles are _________________.
A
undercharged
B
neutral
C
charged
D
overcharged
6) When light strikes an object, they can travel in _______________ direction(s) and some are _____________________.
A
three, deflected, absorbed, or pass through
B
four, reflected, refracted, absorbed, or pass through
C
three. reflected, absorbed, or pass through
D
three, refracted absorbed, or pass through
7) We see objects because light is bouncing off of the objects traveling to your eyes. We receive ________________ light waves bouncing off the object.
A
mostly all of the
B
only a fraction of the
C
all of the
D
half of the
8) Most of the objects in the universe ________________ light.
A
give off some of their
B
do not naturally give off any
C
give off all of their
D
do not naturally give off all of their
9) When natural light enters a prism, the colors on the visible spectrum are separated into their different ___________________.
A
mediums
B
wavelengths
C
pitches
D
frequencies
10) If an object is not transparent, then the light waves that hit the object are both __________________.
A
absorbed and reflected
B
reflected and pass through
C
absorbed and pass through
D
absorbed and refracted
*select an answer for all questions
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