Elements Of Remote Sensing MCQ Questions & Answers

1.
Which one of the following factors does not affect the scale of the air photographs?

A. Focal length

B. Flying height

C. Ground elevation

D. None of these

A. Absorption by the dissolved material

B. Absorption by the suspended particulate matter

C. Scattering by the suspended particulate matter

D. All of these

A. 0.4 - 0.7 μm

B. 0.5 mm to 1 μm

C. 0.7 - 1.3 μm

D. 0.7 to 14 μm

A. $$\frac{\pi }{4}$$

B. $$\frac{\pi }{2}$$

C. $$\pi $$

D. $$\frac{{3\pi }}{2}$$

A. Directions of both the fields are orthogonal

B. Both the fields are at right angles to the direction of propagation

C. Both (A) and (B)

D. Neither (A) nor (B)