Elements Of Remote Sensing MCQ Questions & Answers | Civil Engineering

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)

A. sin²θ

B. cos²θ

C. sec²θ

D. tan²θ

A. The frequency

B. The reciprocal of the energy

C. The square of the frequency

D. The square root of the frequency

A. sin²

B. cos²

C. sec²

D. tan²

A. Reduces the contrast of the image and also its sharpness

B. Increases the contrast of the image but reduces the sharpness

C. Increases both the contrast and sharpness

D. Reduces the contrast but increases the sharpness

A. Common boundary between two areas of a locality is known as adjacency

B. The area features which are wholly contained within another area feature, is known so containment

C. The geometric property which describes the linkage between line features is defined as connectivity

D. All of these