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Physics Final Exam Review 2
Test Description: Final Exam Review 2
Instructions: Answer all questions to get your test result.
1) Current from a battery and any battery powered device is always
A
AC
B
DC
2) Objects can be charged by
A
Both
B
friction. (violent event)
C
induction
3) Lightning bolts occur between
A
clouds and the ground.
B
clouds
C
Both
4) Compared to the resistance of two resistors connected in series, the same two resistors connected in parallel have
A
the same
B
less
C
more
5) Which of Earth’s geographic poles is nearest its magnetic north pole?
A
South Pole
B
North Pole
C
Both
6) Compared to its speed in air, the speed of light in water is
A
faster
B
same
C
slower
7) Solar eclipses are seen less commonly than lunar eclipses because
A
the sun is so much larger than the moon.
B
Earth's shadow on the moon is larger than the moon's shadow on Earth.
C
solar eclipses don't happen as often as lunar eclipses.
D
the sun is farther from Earth than is the moon.
8) An ideal vertical polarizing filter will transmit 50% of nonpolarized parallel light incident on it. How much light is transmitted by two ideal vertical polarizing filters that are oriented with their axes parallel to each other?
A
Between 50% and 100%
B
Between 0% and 50%
C
0%
D
50 %
9) If sunlight were green instead of white, the most comfortable color to wear on a hot day would be
A
green
B
blue
C
magenta
D
yellow
10) The law of reflection says that
A
all waves incident on a mirror are reflected.
B
waves incident on a mirror are partially reflected.
C
the angle of reflection from a mirror equals the angle of incidence.
D
the angle a ray is reflected from a mirror is random.
*select an answer for all questions
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