Thermodynamics [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 1 - 5 of 240
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Question 1
Question MCQ▾
In the following P-V diagram two adiabatic cut two isothermals at temperatures T1 and T2 (figure) . The value of will be
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 2
Question MCQ▾
A given system undergoes a change in which the work done by the system equals the decrease In its internal energy. The system must have undergone an
Choices
Choice (4) | Response | |
---|---|---|
a. | Isobaric change | |
b. | Adiabatic change | |
c. | Isothermal change | |
d. | Isochoric change |
Question 3
Question MCQ▾
The latent heat of vaporization of water is 2240 J/gm. If the work done in the process of expansion of 1 g of water is 168 J, then increase in internal energy is
Choices
Choice (4) | Response | |
---|---|---|
a. | 2072 J | |
b. | 2408 J | |
c. | 2240 J | |
d. | 1904 J |
Question 4
Question MCQ▾
When an ideal gas in a cylinder was compressed isothermally by a piston, the work done on the gas was found to be 1.5 × 104 Joule. During this process about
Choices
Choice (4) | Response | |
---|---|---|
a. | 3.6 × 103 cal of heat flowed out from the gas | |
b. | 1.5 × 104 cal of heat flowed out from the gas | |
c. | 3.6 × 103 cal of heat flowed into the gas | |
d. | 1.5 × 104 cal of heat flowed into the gas |
Question 5
Question MCQ▾
When an ideal gas in a cylinder was compressed isothermally by a piston, the work done on the gas was found to be 2.0 × 104 Joule. During this process about
Choices
Choice (4) | Response | |
---|---|---|
a. | 2.0 × 103 cal of heat flowed out from the gas | |
b. | 4.7 × 103 cal of heat flowed into the gas | |
c. | 4.7 × 103 cal of heat flowed out from the gas | |
d. | 2.0 × 103 cal of heat flowed into the gas |