NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1575 - 1579 of 2320
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Question number: 1575
» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics
Question
Assertion (Ꭺ)
In isothermal process whole heat energy supplied to the body is converted into inter energy.
Reason (Ꭱ)
According to the first law of thermodynamics,
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Ꭺ is false but Ꭱ is true | |
b. | Ꭺ is true but Ꭱ is false | |
c. | Both Ꭺ and Ꭱ are false | |
d. | Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ | |
Question number: 1576
» Kinetic Theory of Gases » Kinetic Energy and Temperature
Question
At room temperature, the r. m. s. speed of the molecules of certain diatomic gas is found to be 1930 m/s. The gas is
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Cl 2 | |
b. | H 2 | |
c. | O 2 | |
d. | F 2 | |
Question number: 1577
» Thermodynamics » Concept of Temperature
Question
Six moles of an ideal gas performs a cycle shown in figure. If the temperature T A = 600K, T B = 800 K, T C = 2200K and T D = 1200. K, the work done per
System of Ideal Gas Temperature at a, B, C and D
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 60 KJ | |
b. | 30 kJ | |
c. | 20 kJ | |
d. | 40 kJ | |
Question number: 1578
» Thermodynamics » Concept of Temperature
Question
A Carnot engine whose low temperature reservoir is at 17 C has an efficiency of 50%. It is desired to increase the efficiency to 70%. By how. many degrees should the temperature of the high temperature reservoir be increased
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 560 K | |
b. | 380K | |
c. | 840K | |
d. | 280 K | |
Question number: 1579
» Kinetic Theory of Gases » Equation of State of a Perfect Gas
Question
Two mole of ideal monoatomic gas is mixed with two mole of diatomic gas . What is γ for
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 2 | |
b. |
| |
c. |
| |
d. |
| |