1
NEET 2018
MCQ (Single Correct Answer)
+4
-1
The volume (V) of a monatomic
gas varies with its temperature
(T), as shown in the graph. The
ratio of work done by the gas,
to the heat absorbed by it, when
it undergoes a change from state
A to state B, is
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
At what temperature will the rms speed of
oxygen molecules become just sufficient for
escaping from the Earth’s atmosphere?
(Given : Mass of oxygen molecule (m) = 2.76 × 10–26 kg, Boltzmann’s constant kB = 1.38 × 10–23 J K–1)
(Given : Mass of oxygen molecule (m) = 2.76 × 10–26 kg, Boltzmann’s constant kB = 1.38 × 10–23 J K–1)
3
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Thermodynamic processes are indicated in the following diagram.
Match the following
Match the following
| Column-1 | Column-2 | |||
|---|---|---|---|---|
| P. | Process I | A. | Adiabatic | |
| Q. | Process II | B. | Isobaric | |
| R. | Process III | C. | Isochoric | |
| S. | Process IV | D. | Isothermal | |
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
A carnot engine having an efficiency of $${1 \over {10}}$$ as heat engine, is used as a refrigerator. If the work done on the system is 10 J, the amount of energy absorbed from the reservoir at lower temperature is
Questions Asked from Heat and Thermodynamics (MCQ (Single Correct Answer))
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