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What does the term 'spectral signature' mean in remote sensing

This question belongs to Geological Engineering Remote Sensing And GIS In Geological Engineering
Remote Sensing and GIS in Geological Engineering
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What does the term 'spectral signature' mean in remote sensing?

Answer & Solution
Correct Answer: Option B
Spectral signature is the specific way different materials reflect or emit electromagnetic radiation across wavelengths.This helps identify and classify surface materials.
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