MCQOPTIONS
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MCQOPTIONS
This section includes 374 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics knowledge and support exam preparation. Choose a topic below to get started.
| 351. |
In pressure correction attraction per unit volume is represented by |
| A. | b |
| B. | c |
| C. | d |
| D. | a |
| Answer» E. | |
| 352. |
95.65cm cube is critical temperature for |
| A. | oxygen |
| B. | carbondioxide |
| C. | hydrogen |
| D. | sulphur |
| Answer» C. hydrogen | |
| 353. |
The constant used in Graham's law of diffusion is |
| A. | s |
| B. | p |
| C. | l |
| D. | k |
| Answer» E. | |
| 354. |
Kinetic equation of gases was derived in |
| A. | 1876 |
| B. | 1876 |
| C. | 1857 |
| D. | 1890 |
| Answer» D. 1890 | |
| 355. |
R becomes 8.3143 when energy is taken in |
| A. | Newton per metre square |
| B. | torr |
| C. | calories |
| D. | joule |
| Answer» E. | |
| 356. |
The pressure exerted by gases is result of total number of |
| A. | containers |
| B. | atoms |
| C. | units |
| D. | collisions |
| Answer» E. | |
| 357. |
Charle's law was given in |
| A. | 1797 |
| B. | 1767 |
| C. | 1747 |
| D. | 1787 |
| Answer» E. | |
| 358. |
The example of gas having monoatomic molecules is |
| A. | Nitrogen |
| B. | hydrogen |
| C. | neon and argon |
| D. | oxygen and nitrogen |
| Answer» D. oxygen and nitrogen | |
| 359. |
The melting point of ice at farenheit is |
| A. | 32 degree |
| B. | 212 degree |
| C. | 100 degree |
| D. | 75 degree |
| Answer» B. 212 degree | |
| 360. |
Plasma can be used to help in food |
| A. | cooking |
| B. | cooling |
| C. | pickling |
| D. | pasteurization |
| Answer» E. | |
| 361. |
Gases show more ideal behaviour at |
| A. | High pressure |
| B. | low pressure |
| C. | low density |
| D. | low temperature |
| Answer» C. low density | |
| 362. |
One meter cube is equal to |
| A. | 100 dm cube |
| B. | 1000 dm cube |
| C. | 10 dm cube |
| D. | 50 dm cube |
| Answer» B. 1000 dm cube | |
| 363. |
Temperature describes vibrational kinetic energy in |
| A. | liquids |
| B. | solids |
| C. | gases |
| D. | plasma |
| Answer» C. gases | |
| 364. |
Different amounts of gases have different values of |
| A. | m |
| B. | s |
| C. | k |
| D. | t |
| Answer» D. t | |
| 365. |
When gases diffuse they tend to equalize the |
| A. | partial pressure |
| B. | volume |
| C. | area |
| D. | temperature |
| Answer» B. volume | |
| 366. |
THE_MEAN_KINETIC_ENERGY_OF_ONE_MOLE_OF_GAS_PER_DEGREE_OF_FREEDOM_(ON_THE_BASIS_OF_A_KINETIC_THEORY_OF_GASES)_IS?$ |
| A. | (1/2) kT |
| B. | (3/2) kT |
| C. | (3/2) RT |
| D. | (1/2) RT |
| Answer» E. | |
| 367. |
THE_DEGREE_OF_FREEDOM_IN_CASE_OF_A_MONOATOMIC_GAS_IS?$ |
| A. | 1 |
| B. | 3 |
| C. | 5 |
| D. | 2 |
| Answer» C. 5 | |
| 368. |
Surface the lake is at 2°C and depth of the lake is 20m. Find the temperature of the bottom of the lak?# |
| A. | 2°C |
| B. | 3°C |
| C. | 4°C |
| D. | 552°C |
| Answer» E. | |
| 369. |
A gas mixture consists of 2 moles of oxygen and 4 moles of argon at temperature T. Neglecting all vibrational modes, the total internal energy of the system is |
| A. | 4RT |
| B. | 9RT |
| C. | 11RT |
| D. | 15RT |
| Answer» D. 15RT | |
| 370. |
The average translational kinetic energy of O2 molecules (relative molar mass 32) at a particular temperature is 0.048eV. The translational kinetic energy of N2 molecules (relative molar mass) in eV at the same temperature is |
| A. | 0.0015 |
| B. | 0.003 |
| C. | 0.048 |
| D. | 0.768 |
| Answer» D. 0.768 | |
| 371. |
A vessel contains one mole of O2 gas at a temperature T. The pressure of the gas is P. An identical vessel containing one hole of He gas at a temperature 2T has a pressure of |
| A. | P/8 |
| B. | P |
| C. | 2P |
| D. | 8P |
| Answer» D. 8P | |
| 372. |
When an automobile travels for a long distance, the pressure in the gas |
| A. | Increases slightly |
| B. | Decreases slightly |
| C. | Remains the same |
| D. | Decreases and then increases |
| Answer» B. Decreases slightly | |
| 373. |
Gases at low temperature and high pressure show a large deviation from an ideal behaviour. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 374. |
At constant volume temperature is increases, then |
| A. | Collisions on walls will be less |
| B. | Number of collisions per unit time will increase |
| C. | Collisions will be in straight line |
| D. | Collisions will not change |
| Answer» C. Collisions will be in straight line | |