Questions

True False[1 Marks ]

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10 questions · timed · auto-graded

Question 11 Mark
If the number of molecules in a container is doubled, the rms speed of the molecules is affected.
Answer
false
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Question 21 Mark
According to the law of energy equilization, the average energy of a molecule of a diatomic gas is 5/2 KT.
Answer
true
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Question 31 Mark
The correct value of the constant R in the ideal gas equation in SI units is Newton meter per Kelvin per mole.
Answer
true
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Question 41 Mark
According to molecular kinetic theory, the velocity of molecules is zero at absolute zero temperature.
Answer
true
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Question 81 Mark
Number of heavy molecules in a mixture of gases at a constant temperature the average speed is relatively high.
Answer
false
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Question 101 Mark
The factors affecting Brownian motion are viscosity of the medium density of the medium, temperature of the medium and size of the particles.
Answer
true
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True False[1 Marks ] - Physics STD 11 Science Questions - Vidyadip