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Civil Engineering - Elements of Remote Sensing - Discussion

Discussion Forum : Elements of Remote Sensing - Section 3 (Q.No. 28)
Elements of Remote Sensing
28.
Which one of the following statements is correct to remote sensing?
The basic property used to identify objects, is called signature.
The ratio of the reflected flux to incident flux is called reflectance which varies fron 0 to 1
The surface from which emergent radiance is constant in all directions is called Lambertian surface.
All of these.
Answer: Option
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