Elements Of Remote Sensing 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 h = (B/H) dp h = dp/(B/H) h = dp/(H/B) h = (H/B) dp h = (B/H) dp h = dp/(B/H) h = dp/(H/B) h = (H/B) dp ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A passive sensor uses: Its own source of energy Flash light as a source of energy Sun as the source of energy None of these Its own source of energy Flash light as a source of energy Sun as the source of energy None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following relationship between the wave length (λ), and frequency and the speed (C) of the electromagnetic wave is correct? C = v + λ C = 1/λv C = λ/v C = vλ C = v + λ C = 1/λv C = λ/v C = vλ 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 Snell's law Fresnel refraction None of these Fresnel reflection Snell's law Fresnel refraction ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing 'A time varying electric field produces a magnetic field.' This phenomenon is called: Kirchoff’s law Hertz's law Ampere Maxwell's law Faraday's law Kirchoff’s law Hertz's law Ampere Maxwell's law Faraday's law ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Critical angle of electromagnetic radiation takes place if Angle of incidence is greater than the angle of refraction Angle of refraction is equal to 90° Angle of incidence is equal to angle of refraction Angle of incidence is equal to 90° Angle of incidence is greater than the angle of refraction Angle of refraction is equal to 90° Angle of incidence is equal to angle of refraction Angle of incidence is equal to 90° ANSWER DOWNLOAD EXAMIANS APP