Heat and Thermodynamics II - SS1 Physics Past Questions and Answers - page 1
1
Thermal equilibrium is a state in which:
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A
Heat is transferred from a colder object to a hotter object
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B
Temperature remains constant over time
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C
The temperature of an object increases indefinitely
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D
Heat is completely absent from a system
2
Which of the following is a temperature scale based on the properties of gases?
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A
Celsius
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B
Kelvin
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C
Fahrenheit
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D
Rankine
3
The melting point of ice is _______ on the Celsius scale and _______ on the Kelvin scale.
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A
0°C, 273 KÂ
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B
0 K, 273°C
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C
100°C, 373 K
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D
100 K, 373°C
4
Which temperature scale is commonly used in scientific and engineering calculations?
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A
Celsius
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B
Kelvin
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C
Fahrenheit
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D
Rankine
5
Thermal equilibrium between two objects occurs when:
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A
They have the same mass
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B
They have the same volume
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C
They have the same temperature
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D
They have the same density
6
The absolute zero temperature is:
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A
0°C
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B
-273°C
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C
0 K
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D
-273 K
7
Which temperature scale uses the freezing and boiling points of water as reference points?
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A
Celsius
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B
Kelvin
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C
Fahrenheit
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D
Rankine
8
The conversion formula from Celsius to Kelvin is:
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A
K = °C + 273
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B
K = °C - 273
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C
K = °C + 32
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D
K = °C - 32
9
The relationship between the Celsius and Fahrenheit scales is given by the formula:
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A
°F = (9/5) × °C + 32
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B
°F = (5/9) × °C - 32
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C
°C = (9/5) × (°F - 32)
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D
°C = (5/9) × (°F + 32)
10
The Kelvin scale is an absolute temperature scale because:
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A
It has a fixed zero point at absolute zero
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B
It uses the properties of water for reference
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C
It is widely used in everyday life
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D
It is based on the properties of gases
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