Elements Of Remote Sensing The remote sensing techniques applied for the earth's surface features, is generally confined to the following wave lengths: 2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm All of these 0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 μm 4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm 2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm All of these 0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 μm 4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm 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 refraction None of these Fresnel reflection Snell's law Fresnel refraction None of these Fresnel reflection Snell's law ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following helps to identify the objects on the earth surface? None of these Radiometric error Atmospheric window Signature None of these Radiometric error Atmospheric window Signature ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called: Sensors Passive sensors Active sensors None of these Sensors Passive sensors Active sensors None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The entire range of the electromagnetic spectrum spans a large spectrum of wave lengths varying from: 10-10 to 1010 m 10-8 to 106 m 10-8 to 108 m 10-10 to 106 m 10-10 to 1010 m 10-8 to 106 m 10-8 to 108 m 10-10 to 106 m ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statement is correct? All of these The radiant energy which falls upon a surface is termed as irradiance Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation The rate of transfer of radiant energy is called flux and is expressed in watts All of these The radiant energy which falls upon a surface is termed as irradiance Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation The rate of transfer of radiant energy is called flux and is expressed in watts ANSWER DOWNLOAD EXAMIANS APP
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