FORESTRY
REMOTE SENSING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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MSS, TM and LISS-I sensors are:
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Only passive sensors
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Both active and passive sensors
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Only active sensors
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None of the above
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Explanation:
Detailed explanation-1: -Examples of passive sensor-based technologies include: Photographic, thermal, electric field sensing, chemical, infrared and seismic.
Detailed explanation-2: -An active sensor is a sensing device that requires an external source of power to operate; active sensors contrast with passive sensors, which simply detect and respond to some type of input from the physical environment.
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