A perfectly black body: All listed here Absorbs all the radiations of every wave lengths Is a diffuse emitter Emits power of every wave length TRUE ANSWER : ? YOUR ANSWER : ?
The entire range of the electromagnetic spectrum spans a large spectrum of wave lengths varying from: 10-10 to 106 m 10-10 to 1010 m 10-8 to 108 m 10-8 to 106 m TRUE ANSWER : ? YOUR ANSWER : ?
The infrared portion of EMR lies between 0.7 - 1.3 μm 0.4 - 0.7 μm 0.7 to 14 μm 0.5 mm to 1 μm TRUE ANSWER : ? YOUR ANSWER : ?
The normal altitude of GPS satellite is about 36,100 km 16,200 km 20,200 km 24,400 km TRUE ANSWER : ? YOUR ANSWER : ?
Who coined the term, ‘Remote sensing’. Gaspard Felix Tournachon, a French scientist Wilbur Wright, an Italian scientist Evelyn L. Pruitt, a geographer None of these TRUE ANSWER : ? YOUR ANSWER : ?
"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 Snell's law Fresnel reflection None of these TRUE ANSWER : ? YOUR ANSWER : ?
The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called: Active remote sensing None of these Neutral remote sensing Passive remote sensing TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following frequency regions is a part of sun's radiation? Radio frequency region Infrared frequency region Ultraviolet frequency region All of these TRUE ANSWER : ? YOUR ANSWER : ?
The code based GPS receivers are generally used for: Trans movement All of these Vehicle tracking Land navigation TRUE ANSWER : ? YOUR ANSWER : ?
Crop Acreage and Production Estimation (CAPE) was funded and taken up in 1983 by: USA European Union Russia India TRUE ANSWER : ? YOUR ANSWER : ?