Kinetic Theory of Gases-Kinetic Energy and Temperature [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 17 - 21 of 78
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Question 17
Question MCQ▾
In the two vessels of same volume, atomic hydrogen and helium at pressure 1 atm and 2 atm are filled. If temperature of both the samples is same, then average speed of hydrogen atoms < CH > will be related to that of helium < CHe > as,
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 18
Question MCQ▾
For a gas at a temperature T the root-mean-square velocity Vr. m. s , the most probable speed Vmp , and the average speed Vav obey the relationship
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 19
Question MCQ▾
The kinetic energy of one gram molecule of a gas at 700 C temperature and normal pressure is (R = 8.31 J/mole- K)
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 20
Question MCQ▾
If pressure of a gas contained in a closed vessel is increased 0.2% when heated by 1°C, the initial temperature must be
Choices
Choice (4) | Response | |
---|---|---|
a. | 250 K | |
b. | 25°C | |
c. | 500 K | |
d. | Question does not provide sufficient data or is vague |
Question 21
Question Assertion-Reason▾
Assertion(Ꭺ)
Equal masses of helium and oxygen gases are given equal quantities of heat. There will be a greater rise in the temperature of helium compared to that of oxygen.
Reason(Ꭱ)
The molecular weight of oxygen is more than the molecular weight of helium.
Choices
Choice (4) | Response | |
---|---|---|
a. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ | |
b. | Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ | |
c. | Ꭺ is true but Ꭱ is false | |
d. | Ꭺ is false but Ꭱ is true |