Elements Of Remote Sensing Which one of the following statement is incorrect regarding the electromagnetic radiation? None of these These are produced by the motion of electric charge The changing electric fields induce the changing magnetic fields in the surrounding medium The oscillation of charged particles sets up changing electric fields None of these These are produced by the motion of electric charge The changing electric fields induce the changing magnetic fields in the surrounding medium The oscillation of charged particles sets up changing electric fields ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Coherence of two electromagnetic waves takes place if their phase difference is: None of these Constant in time and space Constant in space Constant in time None of these Constant in time and space Constant in space Constant in time ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Critical angle of electromagnetic radiation takes place if Angle of refraction is equal to 90° Angle of incidence is equal to 90° Angle of incidence is greater than the angle of refraction Angle of incidence is equal to angle of refraction Angle of refraction is equal to 90° Angle of incidence is equal to 90° Angle of incidence is greater than the angle of refraction Angle of incidence is equal to angle of refraction ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A perfectly black body: Is a diffuse emitter Emits power of every wave length All listed here Absorbs all the radiations of every wave lengths Is a diffuse emitter Emits power of every wave length All listed here Absorbs all the radiations of every wave lengths 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: None of these Fresnel reflection Fresnel refraction Snell's law None of these Fresnel reflection Fresnel refraction Snell's law ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statements is correct regarding the GPS satellites? All of these The nominal altitude is about 20,200 km The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz) The inclination of axis satellite is 55° All of these The nominal altitude is about 20,200 km The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz) The inclination of axis satellite is 55° ANSWER DOWNLOAD EXAMIANS APP
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