Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings). h > λ/8 cos θ h < λ/8 cos θ h = λ/8 cos θ h > λ/Δ cos θ TRUE ANSWER : ? YOUR ANSWER : ?
Leaf reflectance depends primarily on: The pigments Internal cell structure Equivalent water content All of these TRUE ANSWER : ? YOUR ANSWER : ?
Orbital radius of GPS satellites is approximately: 26,600 km 18,400 km 36,000 km 15,200 km TRUE ANSWER : ? YOUR ANSWER : ?
The reflectance from a surface is called specular reflection if it follows: Planktan Lambert Snell’s law All of these TRUE ANSWER : ? YOUR ANSWER : ?
The GPS space segment consists of Navigation Satellite Timing and Ranging whose number is : 8 16 12 24 TRUE ANSWER : ? YOUR ANSWER : ?
Pick up the correct definition from the following with response to GIS. The area features which are wholly contained within another area feature, is known so containment All of these Common boundary between two areas of a locality is known as adjacency The geometric property which describes the linkage between line features is defined as connectivity TRUE ANSWER : ? YOUR ANSWER : ?
Formation of snow occurs if the cloud temperature is Just above the freezing point Below the freezing point None of these At the freezing point TRUE ANSWER : ? YOUR ANSWER : ?
The coherence length over which there is a strong relationship between amplitudes is; Inversely proportional to the bandwidth Directly proportional to the bandwidth The square of the bandwidth 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: None of these Fresnel refraction Fresnel reflection Snell's law TRUE ANSWER : ? YOUR ANSWER : ?