Elements Of Remote Sensing
In case of reflection and refraction of electromagnetic radiation,

All listed here
Angle of refraction = sum of the angles of incidence and refraction
Angle of incidence = angle of refraction
Angle of incidence = angle of reflection

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Elements Of Remote Sensing
Geodimeter is based on:

High frequency radio waves
Propagation of modulated light waves
The visible light as carrier with frequency of the order of 5 × 1014 Hz
Propagation of infrared radiation

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