Elements Of Remote Sensing MCQ Questions & Answers | Civil Engineering

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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

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2.
The optical property of a water body depends on:

A. Absorption by the dissolved material

B. Absorption by the suspended particulate matter

C. Scattering by the suspended particulate matter

D. All of these

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3.
The infrared portion of EMR lies between

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

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4.
The phase difference of the waves 1 and 2 at A in the given figure is:

A. ^π/₄

B. ^π/₂

C. ^π/₁

D. ^3π/₂

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5.
While propagating through homogeneous, isotropic media,

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)

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Elements Of Remote Sensing - Section 2