Elements Of Remote Sensing In the given figure the phase of Crest A is π/2 Trough C is 3π/2 All of these B crossing is π Crest A is π/2 Trough C is 3π/2 All of these B crossing is π ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing "An Electromagnetic wave falls on to a boundary between two losses less homogeneous media with different refractive indices, a part of the wave is reflected back to the incident medium and the rest is transmitted on to the second media". This phenomenon is known as: Fresnel reflection Snell's law None of these Fresnel refraction Fresnel reflection Snell's law None of these Fresnel refraction ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing If electric permittivity and magnetic permeability of the medium are respectively ‘ε’ and ‘μ’, then the velocity (Cm) of the electromagnetic wave in the medium is given by: None of these Cm = 1/√8 μ Cm = 1/εμ Cm = 5/√εμ None of these Cm = 1/√8 μ Cm = 1/εμ Cm = 5/√εμ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings). h < λ/8 cos θ h = λ/8 cos θ h > λ/8 cos θ h > λ/Δ cos θ h < λ/8 cos θ h = λ/8 cos θ h > λ/8 cos θ h > λ/Δ cos θ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statement is incorrect regarding the electromagnetic radiation? None of these The oscillation of charged particles sets up changing electric fields These are produced by the motion of electric charge The changing electric fields induce the changing magnetic fields in the surrounding medium None of these The oscillation of charged particles sets up changing electric fields These are produced by the motion of electric charge The changing electric fields induce the changing magnetic fields in the surrounding medium ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing "An Electromagnetic wave falls on to a boundary between two losses less homogeneous media with different refractive indices, a part of the wave is reflected back to the incident medium and the rest is transmitted on to the second media". This phenomenon is known as: Snell's law None of these Fresnel reflection Fresnel refraction Snell's law None of these Fresnel reflection Fresnel refraction ANSWER DOWNLOAD EXAMIANS APP
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