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Elements Of Remote Sensing

Elements Of Remote Sensing
In the given figure the phase of

All of these
Trough C is 3π/2
Crest A is π/2
B crossing is π

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Elements Of Remote Sensing
Which one of the following quantities forms the basis of radiometry?

Radiant flux (φ)
Radiant energy (Q)
Radiant intensity (I)
All of these

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Elements Of Remote Sensing
Which one of the following helps to identify the objects on the earth surface?

Radiometric error
Atmospheric window
None of these
Signature

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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
Ozone window
Black hole
Atmospheric window

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Elements Of Remote Sensing
Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects:

Sound waves
Electromagnetic waves
Wind waves
Electric waves

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Elements Of Remote Sensing
The various stages occuring in GPS system are described below:
1. Generation of an output to the user
2. Detection of the GPS signals
3. Processing the data in the built-in-computer
4. Decoding the GPS signal.
The correct sequence of the stages is:

3, 1, 2, 4
1, 2, 3, 4
2, 4, 3, 1
2, 3, 4, 1

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