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Elements Of Remote Sensing

Elements Of Remote Sensing
Which one of the following errors is produced by platform characteristics of the sensor?

Altitude
Orbit drift
Altitude variation
All of these

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Elements Of Remote Sensing
Orbital radius of GPS satellites is approximately:

36,000 km
18,400 km
15,200 km
26,600 km

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Elements Of Remote Sensing
The entire range of the electromagnetic spectrum spans a large spectrum of wave lengths varying from:

10-8 to 106 m
10-10 to 1010 m
10-8 to 108 m
10-10 to 106 m

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Elements Of Remote Sensing
If flying height of a spacecraft is H, the length of air base is B and the parallax difference between two points is dp, then the difference in height

h = dp/(B/H)
h = (B/H) dp
h = (H/B) dp
h = dp/(H/B)

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Elements Of Remote Sensing
The normal altitude of GPS satellite is about

24,400 km
20,200 km
16,200 km
36,100 km

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Elements Of Remote Sensing
Who coined the term, ‘Remote sensing’.

None of these
Evelyn L. Pruitt, a geographer
Wilbur Wright, an Italian scientist
Gaspard Felix Tournachon, a French scientist

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