Coherence of two electromagnetic waves takes place if their phase difference is:

Related MCQs

• Critical angle of electromagnetic radiation takes place if
• The coherence length over which there is a strong relationship between amplitudes is;
• For C band Synthetic Aperture Radar (SAR) with Doppler band width of 1300 Hz, the coherence length loch is:
• If flying height of a spacecraft is H, the length of air base is B and the parallax difference between two points is dp, then the difference in height
• In case of reflection and refraction of electromagnetic radiation,
• Which one of the following statement is incorrect regarding the electromagnetic radiation?
• The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called:
• Electromagnetic spectrum contains:
• According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n1) on another medium (refractive index m2);
• Electromagnetic radiation: