The maximum sun's radiation occurs around: 0.4 μm wave length 0.7 μ wave length None of these 0.55 μ wave length TRUE ANSWER : ? YOUR ANSWER : ?
For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is: Near polar orbit Sun-synchronous orbit None of these Circular orbit TRUE ANSWER : ? YOUR ANSWER : ?
The GPS space segment consists of Navigation Satellite Timing and Ranging whose number is : 24 16 8 12 TRUE ANSWER : ? YOUR ANSWER : ?
Consider the following statements regarding the satellite imaging:<br/>1. The satellite orbit is fixed in the inertial space<br/>2. During successive across-track imaging, the earth rotates beneath the sensor<br/>3. The satellite images a skewed area<br/>Which one of the following statements is/are correct? 1, 2, 3 2, 3 1, 3 1, 2 TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following quantities forms the basis of radiometry? All of these Radiant flux (φ) Radiant energy (Q) Radiant intensity (I) 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: None of these Neutral remote sensing Active remote sensing Passive remote sensing 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: Snell's law Fresnel refraction None of these Fresnel reflection TRUE ANSWER : ? YOUR ANSWER : ?
If electric permittivity and magnetic permeability of the medium are respectively ‘ε’ and ‘μ’, then the velocity (Cm) of the electromagnetic wave in the medium is given by: None of these Cm = 5/√εμ Cm = 1/εμ Cm = 1/√8 μ TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following statements regarding remote sensing is correct? The interaction of the electromagnetic radiation with the target Neither (A) nor (B) Both (A) and (B) The emission of electromagnetic radiation from the target TRUE ANSWER : ? YOUR ANSWER : ?
Electromagnetic spectrum contains: Infrared rays (wave length < 10⁻⁴ m) Gamma rays (wave length < 10⁻¹⁰ m) Ultraviolet rays (wave length < 10⁻⁶ m) All of these TRUE ANSWER : ? YOUR ANSWER : ?