Use the MDCAT Question Bank to study by subject and try each question yourself. Click Show Answer to check the correct choice, then take a practice test when you’re ready.
Physics · Question 881
An optical fibre is protected by an outer:
Glass jacket
Plastic jacket
Copper jacket
Rubber jacket
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Correct answer: B
Plastic jacket
The printed worksheet key marks B (Plastic jacket) as the correct answer.
Physics · Question 882
Which parameter does not describe the thermodynamic state of a system?
Work
Pressure
Temperature
Volume
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Correct answer: A
Work
The printed worksheet key marks A (Work) as the correct answer.
Physics · Question 883
During an adiabatic expansion the increase in volume is associated with:
Decrease in pressure and decrease in temperature.
Increase in pressure and decrease in temperature.
Increase in pressure and increase in temperature.
Decrease in pressure and increase in temperature.
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Correct answer: A
Decrease in pressure and decrease in temperature.
The printed worksheet key marks A (Decrease in pressure and decrease in temperature.) as the correct answer.
Physics · Question 884
The internal energy of a monoatomic ideal gas is:
Translational kinetic energy
Vibrational kinetic energy
Rotational kinetic energy
All of these
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Correct answer: A
Translational kinetic energy
The printed worksheet key marks A (Translational kinetic energy) as the correct answer.
Physics · Question 885
When heat is supplied to a system, its temperature:
May rise
May fall
May remain unchanged
Both A and C
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Correct answer: D
Both A and C
The printed worksheet key marks D (Both A and C) as the correct answer.
Physics · Question 886
In an adiabatic process, the system temperature:
May remain unchanged
May rise
May fall
All of these
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Correct answer: D
All of these
The printed worksheet key marks D (All of these) as the correct answer.
Physics · Question 887
If temperature is increased from 200 K to 800 K then what would be the change in pressure at constant volume?
Increases by a factor of 4
Increases by a factor of 2
Decreases by a factor of 4
Decreases by a factor of 2
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Correct answer: A
Increases by a factor of 4
The printed worksheet key marks A (Increases by a factor of 4) as the correct answer.
Physics · Question 888
Triple point of water is:
273 K
273.16 K
273.15 K
All of these
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Correct answer: B
273.16 K
The printed worksheet key marks B (273.16 K) as the correct answer.
Physics · Question 889
For measurement of temperature of order of 400 °C we will prefer:
Mercury thermometer
Alcohol thermometer
Radiation thermometer
Thermocouple
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Correct answer: D
Thermocouple
The printed worksheet key marks D (Thermocouple) as the correct answer.
Physics · Question 890
Can a practical Carnot engine be 100% efficient?
Yes, if the sink is at 0 K
Yes, if the sink is at 0 °C
Yes, if the sink is at 0 °F
No, not in practice
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Correct answer: D
No, not in practice
The printed worksheet key marks D (No, not in practice) as the correct answer.