Difference between the direct path and the diffracted path is called _______(a) Average length(b) Radio path length(c) Excess path length(d) WavelengthThis question was addressed to me during an interview.My enquiry is from Diffraction in section Mobile Radio Propagation: Large – Scale Path Loss of Wireless/Mobile

Difference between the direct path and the diffracted path is called _

1.	Difference between the direct path and the diffracted path is called _______(a) Average length(b) Radio path length(c) Excess path length(d) WavelengthThis question was addressed to me during an interview.My enquiry is from Diffraction in section Mobile Radio Propagation: Large – Scale Path Loss of Wireless/Mobile
Answer» Right option is (c) Excess path LENGTH Best explanation: Excess path length DENOTED by ∆, is the difference between the direct path and the DIFFRACTED path. It is calculated with the help of Fresnel ZONE geometry.

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