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Physics Final Exam Review
Test Description: Final Exam Review
Instructions: Answer all questions to get your test result.
1) Temperature is related mostly to the _____.
A
total kinetic energy in something
B
average molecular kinetic energy in a substance
C
average energy in a substance
D
total energy in something
2) The reason an ocean's temperature doesn't vary much from one season to the next is that _____.
A
oceans are located next to large land areas
B
oceans are located in mild regions of the Earth
C
water has a low specific heat capacity
D
water has a high specific heat capacity
3) Heat is the _____.
A
total amount of energy contained in an object
B
average amount of energy per molecule contained in an object
C
amount of energy all the molecules have
D
energy transferred between objects because of a temperature difference
4) The first law of thermodynamics is a restatement of the
A
law of heat addition.
B
conservation of energy. Energy cannot be created nor destroyed
C
principle of entropy
5) As a system becomes more disordered, entropy
A
remains the same.
B
Blah blah blah
C
increases
D
decreases
6) Entropy is closely related to the
A
second law of thermodynamics.
B
first law of thermodynamics.
C
none of the above
D
both of the above
7) Which has the higher specific heat capacity, water or sand?
A
Water
B
Sand
8) Radiation from the sun often gets trapped in Earth's atmosphere. The reason for this is that
A
radiation from the sun comes in at an angle to Earth.
B
radiation from the sun gets reflected from Earth's atmosphere.
C
long-wavelength radiation is absorbed by the atmosphere nad cannot leave.
D
the atmosphere allows only visible light to enter.
9) At high altitudes, the boiling point of water
A
is lower.
B
is higher.
C
stays the same
10) If you want to cook boiled eggs while in the mountains, you should
A
boil the eggs for a shorter time.
B
boil the eggs for a longer time.
C
use a hotter flame.
D
not boil eggs, because the water temperature won't get hot enough to cook them.
11) Morning dew on the grass is a result of
A
air pressure on water vapor.
B
evaporation of water.
C
the open-structured form of water crystals.
D
slow-moving molecules condensing on the grass.
12) The distance between successive identical parts of a wave is called its
A
period
B
frequency
C
wavelength
D
velocity
13) If a volume of air is swept upward (volume increases) with no heat input or output, its temperature
A
decrease
B
increase
C
remains the same
14) The time needed for a wave to make one complete cycle is its
A
period
B
wavelength
C
amplitude
15) A sonic boom
A
is swept continuously behind a plane flying faster than the speed of sound.
B
is produced as a plane breaks through the sound barrier.
C
is produced by subsonic projectiles as well as subsonic aircraft.
D
all of the above
16) An aircraft that flies faster than the speed of sound is said to be
A
supersonic
B
subsonic
17) Sound is an example of a which type of wave (think about the tuning fork picture)
A
transverse wave.
B
longitudinal wave.
C
constructive wave.
D
Doppler wave.
18) The speed of a sound wave depends on
A
the air temperature.
B
its wavelength.
C
its frequency.
19) The main difference between a radio wave and a light wave is its
A
none of the above.
B
wavelength
C
both A and B
D
speed
20) Current from any device plugged into the wall is always
A
DC
B
AC
*select an answer for all questions
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