MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying Questions and Answers 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*10-3 K |
| B. | 75.8*10-3 K |
| C. | 57.25*10-35 K |
| D. | 57.8*10-3 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*1030 W / sq. m |
| B. | 4.6*1030 W / sq. m |
| C. | 6.6*1030 W / sq. m |
| D. | 3.6*1030 W / sq. m |
| Answer» B. 4.6*1030 W / sq. m | |
| 4. |
Find the value of λ, if the temperature of the body is given as 560K. |
| A. | 4.16*10-14 m |
| B. | 6.16*10-14 m |
| C. | 5.16*10-14 m |
| D. | 5.16*10-4 m |
| Answer» D. 5.16*10-4 m | |