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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. |
Generally, the value of reflectance varies from __________ |
A. | 10-20 |
B. | 0-10 |
C. | 0-1 |
D. | 0-0.5 |
Answer» D. 0-0.5 | |
2. |
When emissivity is zero, what will be the value of reflectance? |
A. | One |
B. | Zero |
C. | Ten |
D. | Not equal to one |
Answer» E. | |
3. |
What will be reflectance value if the possess an emissivity of 56. |
A. | 55 |
B. | 50 |
C. | 54 |
D. | 52 |
Answer» B. 50 | |
4. |
Find the transmittance, if the transmitted and incident energies are given as 156J and 987J respectively. |
A. | 0.51 |
B. | 0.45 |
C. | 0.15 |
D. | 0.5 |
Answer» D. 0.5 | |
5. |
What will be the value of absorbance, if the absorbed and incident energies are given as 67J and 109J respectively? |
A. | 0.16 |
B. | 0.61 |
C. | 0.69 |
D. | 0.72 |
Answer» C. 0.69 | |
6. |
Find the value of reflectance if the reflected and incident energies are given as 43J and 87J. |
A. | 0.94 |
B. | 0.42 |
C. | 0.99 |
D. | 0.49 |
Answer» E. | |
7. |
Determine the energy of the wave length, if the reflected, absorbed and transmitted energies were given as 56J, 24J and 7J respectively. |
A. | 87J |
B. | 78J |
C. | 89J |
D. | 17J |
Answer» B. 78J | |
8. |
Which of the following indicates a volume phenomenon? |
A. | Refraction |
B. | Reflection |
C. | Transmission |
D. | Diffraction |
Answer» D. Diffraction | |
9. |
Which of the following can be changed while interaction of EM wave with a surface? |
A. | Intensity |
B. | Diffraction |
C. | Wave length |
D. | Direction |
Answer» C. Wave length | |
10. |
Which among the following is not a phenomenon in case of interaction of EM waves on earth surface? |
A. | Reflection |
B. | Absorption |
C. | Transmission |
D. | Refraction |
Answer» E. | |