Phy 113 - Heat & Properties Of Matter
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- 1.The choice of thermometric liquids in a thermometer should depend on the following properties except:
- A.
Must be opaque
- B.
Must have a high specific heat capacity
- C.
Must have a low melting point
- D.
Must have a high coefficient of expansion
- 2.A platinum resistance thermometer has resistance of 52.5 ohms and 9.75 ohms at 0 degrees Celsius and 100 degrees Celsius respectively. When the resistance is 8.25 ohms, find the temperature
- A.
63:6oC
- B.
75:0oC
- C.
66:7oC
- D.
84:6oC
- 3.Which of the following types of bench would feel warmer on a cool harmattan day?
- A.
Wood
- B.
Marble
- C.
Aluminium
- D.
Iron
- 4.Is real gases the same as an Ideal gases
- A.
True
- B.
False
- 5.Type short note on Real Gases and Ideal Gases
- 6.Which of the following explains why we feel cool when we stay very close to a fan?
- A.
Temperature
- B.
Humidity
- C.
Wind
- D.
Evaporation
- 7.One of these is NOT a factor that can affect the rate of evaporation
- A.
Air dryness
- B.
Temperature
- C.
Volume of liquid
- D.
Pressure
- 8.Which of the following is NOT a method of transporting heat energy from one place to another
- A.
Condensation
- B.
Conduction
- C.
Radiation
- D.
Conduction
- 9.Avogadro suggested that each liter of gas under identical conditions has the same
- A.
Mass
- B.
Number of moles
- C.
Number of molecules
- D.
Density
- 10.If 1 liter of oxygen combines completely with 2 liters of hydrogen to form water, how many liters of oxygen are required to combine completely with 8 liters of hydrogen?
- A.
8
- B.
6
- C.
4
- D.
2
- 11.The atomic mass of carbon dioxide is 44 atomic mass units. What is the atomic mass of oxygen if each molecule contains one atom of carbon and two of oxygen?
- A.
12
- B.
22
- C.
10
- D.
16
- 12.The Kelvin temperature scale has the same size degree as the_____ scale and its zero is _____ degrees lower.
- A.
Celsius ... 459
- B.
Fahrenheit ... 459
- C.
Celsius ... 273
- D.
Fahrenheit ... 273
- 13.Which of the following doubles with a doubling of the Celsius temperature of an ideal gas?
- A.
Average momentum
- B.
Average speed
- C.
Average kinetic energy
- D.
None of the above
- 14.What Kelvin temperature corresponds to room temperature of 20 degrees Centigrade
- A.
20 K
- B.
253 K
- C.
293 K
- D.
273 K
- 15.Two gases are kept at the same temperature. If the molecules of gas A have 4 times the mass of those of gas B, what is the ratio of the rms speed of the A molecules to that of the B molecules?
- A.
4
- B.
1/2
- C.
1/4
- D.
2
- 16.The mass of an oxygen molecule is 16 times that of a hydrogen molecule. If the gases are maintained at the same temperature, what is the ratio of the rms speed of an oxygen molecule to that ofa hydrogen molecule?
- A.
1/16
- B.
1/4
- C.
4
- D.
16
- 17.Four liters of an ideal gas is heated from 200 K to 400 K in a container with a fixed volume. If the initial pressure was 1 atm, what is the final pressure?
- A.
0.25 atm
- B.
0.5 atm
- C.
2 atm
- D.
4 atm
- 18.What is the force that binds atoms together?
- A.
Gravitational
- B.
Electric
- C.
Magnetic
- D.
Nuclear
- 19.What is the force that binds materials together?
- A.
Electric
- B.
Van de Waal
- C.
Strong nuclear
- D.
Gravitational
- 20.If a block of material has a mass of 8 grams and a volume of 4 cubic centimeters, what is its density?
- A.
0.5 cubic centimeters per gram
- B.
4 grams-cubic centimeters
- C.
12 grams-cubic centimeters
- D.
2 grams per cubic centimeter
- 21.Which of the following effects is NOT a result of surface tension?
- A.
The pressure increases with the depth in a fluid
- B.
Soap films on wire frames have minimal surface areas
- C.
Liquids floating in the Space Shuttle form into spheres
- D.
A glass can be filled with milk beyond its brim.
- 22.On a day when the mercury column in a barometer on top of a mountain stands 50 cm tall, how highwould the column in a water barometer be? The density of mercury is 13.6 times that of water.
- A.
3.68 cm
- B.
50 cm
- C.
63.6 cm
- D.
680 cm
- 23.In which direction in a fluid at rest is the pressure the greatest at a given depth?
- A.
Upward
- B.
Downward
- C.
Horizontal
- D.
The pressure is the same in all directions
- 24.Which of the following effects is NOT a result of surface tension?
- A.
A glass can be filled with milk beyond its brim
- B.
Liquids floating in the Space Shuttle form into spheres
- C.
The pressure increase with the depth in a fluid
- D.
Soap films on wire frames have minimal surface areas
- 25.Two barometers are made with water and oil. The density of oil is 900 kg/m3 and that of water is 1000 kg/m3. If the oil column is 10 m tall, how tall is the water column?
- A.
11.1 m
- B.
10.0 m
- C.
9.0 m
- D.
9.0 m
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