Civil Engineering - Elements of Remote Sensing - Discussion

27. 

Critical angle of electromagnetic radiation takes place if

[A]. angle of incidence is equal to angle of refraction
[B]. angle of incidence is greater than the angle of refraction
[C]. angle of incidence is equal to 90°
[D]. angle of refraction is equal to 90°

Answer: Option D

Explanation:

No answer description available for this question.

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