Civil Engineering - Elements of Remote Sensing - Discussion


Pick up the correct statement from the following:

[A]. The wave length of gamma rays is 10-10 m
[B]. The wave length of radio rays is 106 m
[C]. The visible length occupies a small portion of the electromagntic spectrum extending roughly from 0.4 μ m to 0.7μm wave length.
[D]. All of these

Answer: Option D


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