MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
From Wien s displacement law, determine the absolute temperature if wave length is given as 0.05m. |
| A. | 7.8*10<sup>-3</sup> K |
| B. | 75.8*10<sup>-3</sup> K |
| C. | 57.25*10<sup>-35</sup> K |
| D. | 57.8*10<sup>-3</sup> K |
| Answer» E. | |
| 2. |
Determine the absolute temperature of the body from Stefan Boltzmann law if spectral existence of the body is 3.55 * 10-10 W /sq. m. |
| A. | 19.58 K |
| B. | 1.58 K |
| C. | 15.58 K |
| D. | 1.85 K |
| Answer» C. 15.58 K | |
| 3. |
Determine the spectral existence of a body by using plank s law, if the wave length is given as 456m and the absolute temperature is 765K. |
| A. | 3.6*10<sup>30</sup> W / sq. m |
| B. | 4.6*10<sup>30</sup> W / sq. m |
| C. | 6.6*10<sup>30</sup> W / sq. m |
| D. | 3.6*10<sup>30</sup> W / sq. m |
| Answer» B. 4.6*10<sup>30</sup> W / sq. m | |
| 4. |
Find the value of , if the temperature of the body is given as 560K. |
| A. | 4.16*10<sup>-14</sup> m |
| B. | 6.16*10<sup>-14</sup> m |
| C. | 5.16*10<sup>-14</sup> m |
| D. | 5.16*10<sup>-4</sup> m |
| Answer» D. 5.16*10<sup>-4</sup> m | |
| 5. |
Determine the spectral existence of a black body if the absolute temperature can be given as 300K. |
| A. | 1968*10<sup>-11</sup> W/sq. m |
| B. | 1689*10<sup>-11</sup> W/sq. m |
| C. | 6298*10<sup>-11</sup> W/sq. m |
| D. | 1698*10<sup>-11</sup> W/sq. m |
| Answer» E. | |
| 6. |
Around how much percentage, the incident radiant flux can be absorbed by the materials present on earth? |
| A. | 48% |
| B. | 37% |
| C. | 42% |
| D. | 50% |
| Answer» B. 37% | |
| 7. |
Temperature on the sun is around ______________ |
| A. | 575 600 K |
| B. | 7550 8000 K |
| C. | 5570 6000 K |
| D. | 5750 6000 K |
| Answer» E. | |
| 8. |
The value of solar constant can be given as __________ |
| A. | 1637 W / m<sup>2</sup> |
| B. | 1367 W / m<sup>2</sup> |
| C. | 136 W / m<sup>2</sup> |
| D. | 3167 W / m<sup>2</sup> |
| Answer» C. 136 W / m<sup>2</sup> | |
| 9. |
The energy radiated from sun in visible region will be around ____________ |
| A. | 43% |
| B. | 45% |
| C. | 47% |
| D. | 50% |
| Answer» B. 45% | |
| 10. |
Diameter of sun can be given as ____________ |
| A. | 1.39 * 10<sup>7</sup> km |
| B. | 1.9 * 10<sup>6</sup> km |
| C. | 1.39 * 10<sup>6</sup> km |
| D. | 1.39 * 10<sup>16</sup> km |
| Answer» D. 1.39 * 10<sup>16</sup> km | |