Remote Sensing(Surveying ) Questions and answers for exam Preparation

Question 1. Which of the following can be changed while interaction of EM wave with a surface?

Intensity
Diffraction
Wave length
Direction

Explanation:-

Answer: Option B. -> Diffraction
Answer: (b).Diffraction

Question 2. Which among the following is not a phenomenon in case of interaction of EM waves on earth surface?

Reflection
Absorption
Transmission
Refraction

Explanation:-

Answer: Option D. -> Refraction
Answer: (d).Refraction

Question 3. Which of the following indicates a volume phenomenon?

Refraction
Reflection
Transmission
Diffraction

Explanation:-

Answer: Option C. -> Transmission
Answer: (c).Transmission

Question 4. Determine the energy of the wave length, if the reflected, absorbed and transmitted energies were given as 56J, 24J and 7J respectively.

87J
78J
89J
17J

Explanation:-

Answer: Option A. -> 87J
Answer: (a).87J

Question 5. Find the value of reflectance if the reflected and incident energies are given as 43J and 87J.

0.94
0.42
0.99
0.49

Explanation:-

Answer: Option D. -> 0.49
Answer: (d).0.49

Question 6. What will be the value of absorbance, if the absorbed and incident energies are given as 67J and 109J respectively?

0.16
0.61
0.69
0.72

Explanation:-

Answer: Option B. -> 0.61
Answer: (b).0.61

Question 7. Find the transmittance, if the transmitted and incident energies are given as 156J and 987J respectively.

0.51
0.45
0.15
0.5

Explanation:-

Answer: Option C. -> 0.15
Answer: (c).0.15

Question 8. What will be reflectance value if the possess an emissivity of 56.

55
50
54
52

Explanation:-

Answer: Option A. -> 55
Answer: (a).55

Question 9. When emissivity is zero, what will be the value of reflectance?

One
Zero
Ten
Not equal to one

Explanation:-

Answer: Option D. -> Not equal to one
Answer: (d).Not equal to one

Question 10. Generally, the value of reflectance varies from __________

10-20
0-10
0-1
0-0.5

Explanation:-

Answer: Option C. -> 0-1
Answer: (c).0-1