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

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

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Elements Of Remote Sensing
‘A’ and ‘B’ are two towers of equal height diametrically opposite on either side of the nadir point, at 3 km and 5 km distances. Which one of the following statements is correct?

Height displacement of B will be less than that of A
Height displacement of A and B is equal
Height displacement of A and B will be towards each other
Height displacement of A will be less than that of B

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Elements Of Remote Sensing
Earth observations from a satellite platform provide:

Synoptic view of a large area
All of these
Constant solar zenith angles and similar illumination conditions
Repetitive observations of the same area with intervals of a few minutes to a few weeks

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Elements Of Remote Sensing
Which one of the following residual biases involves the GPS accuracy?

Receiver-dependent biases due to clock stability with line
Satellite dependent biases due to uncertainty in the orbital parameters of the satellite
All listed here
Signal propagation biases due to the sphere and troposphere propagation

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