MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Thermodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
For a reversible isothermal change of volume, heat to be supplied reversibly to keep temperature constant is given by |
| A. | Q = (4/3)b*(T<sup>4</sup>)*( V) |
| B. | Q = (2/3)b*(T<sup>2</sup>)*( V) |
| C. | Q = (1/3)b*(T)*( V) |
| D. | none of the mentioned |
| Answer» B. Q = (2/3)b*(T<sup>2</sup>)*( V) | |
| 2. |
The Stefan-Boltzmann law is given by |
| A. | u = b*(T<sup>2</sup>) |
| B. | u = b*(T<sup>3</sup>) |
| C. | u = b*(T<sup>4</sup>) |
| D. | u = b*T |
| Answer» D. u = b*T | |
| 3. |
If u is the energy density then pressure(p) exerted by the black-body radiation in an enclosure is |
| A. | u/2 |
| B. | u/3 |
| C. | u/4 |
| D. | u |
| Answer» C. u/4 | |
| 4. |
The equation dH=Cp*dT holds good for |
| A. | any process for an ideal gas, even when the pressure changes |
| B. | for other substances it is true only when the pressure is constant |
| C. | both of the mentioned |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |