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Elements Of Remote Sensing

Elements Of Remote Sensing
Which one of the following factors does not affect the scale of the air photographs?

Ground elevation
None of these
Flying height
Focal length

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Elements Of Remote Sensing
The spectral region of the electromagnetic radiation which passes through the atmosphere without much attenuation is known as:

Ozone hole
Atmospheric window
Ozone window
Black hole

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Elements Of Remote Sensing
The GPS space segment consists of Navigation Satellite Timing and Ranging whose number is :

24
12
16
8

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Elements Of Remote Sensing
If θ is the angle of scan measured from the nadir, the ground distance swept by the sensor IFOV is proportional to:

cos²θ
sec²θ
sin²θ
tan²θ

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Elements Of Remote Sensing
Electromagnetic spectrum contains:

All of these
Ultraviolet rays (wave length < 10⁻⁶ m)
Gamma rays (wave length < 10⁻¹⁰ m)
Infrared rays (wave length < 10⁻⁴ m)

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Elements Of Remote Sensing
In case of reflection and refraction of electromagnetic radiation,

Angle of incidence = angle of reflection
All listed here
Angle of refraction = sum of the angles of incidence and refraction
Angle of incidence = angle of refraction

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