Elements Of Remote Sensing Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects: Wind waves Electromagnetic waves Sound waves Electric waves Wind waves Electromagnetic waves Sound waves Electric waves 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 Fresnel refraction None of these Snell's law Fresnel reflection Fresnel refraction None of these Snell's law ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Repetitive observations of the same area at equal interval of time are useful to monitor the dynamic phenomena: All of these Snow cover Cloud evolution Vegetative cover All of these Snow cover Cloud evolution Vegetative cover ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following geometric errors of satellite sensors is random? Earth rotation Scan skew Altitude variation Panoramic distortion Earth rotation Scan skew Altitude variation Panoramic distortion ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A passive sensor uses: Its own source of energy Flash light as a source of energy None of these Sun as the source of energy Its own source of energy Flash light as a source of energy None of these Sun as the source of energy ANSWER DOWNLOAD EXAMIANS APP
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 = 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 h = (B/H) dp ANSWER DOWNLOAD EXAMIANS APP
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