Which one of the following statements regarding remote sensing is correct? Both (A) and (B) Neither (A) nor (B) The interaction of the electromagnetic radiation with the target The emission of electromagnetic radiation from the target TRUE ANSWER : ? YOUR ANSWER : ?
Coherence of two electromagnetic waves takes place if their phase difference is: Constant in time and space None of these Constant in space Constant in time TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called: None of these Albedo Reflectance Reflectance factor TRUE ANSWER : ? YOUR ANSWER : ?
For C band Synthetic Aperture Radar (SAR) with Doppler band width of 1300 Hz, the coherence length loch is: 230 km 130 km 500 km 250 km TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following relationship between the wave length (λ), and frequency and the speed (C) of the electromagnetic wave is correct? C = vλ C = 1/λv C = λ/v C = v + λ TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following statements is correct regarding the GPS satellites? All of these The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz) The inclination of axis satellite is 55° The nominal altitude is about 20,200 km TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following attributes is not associated with digital maps Symbology South arrow Color Legends TRUE ANSWER : ? YOUR ANSWER : ?
The optical property of a water body depends on: Absorption by the dissolved material Absorption by the suspended particulate matter Scattering by the suspended particulate matter All of these TRUE ANSWER : ? YOUR ANSWER : ?
The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target, Reduces the contrast of the image and also its sharpness Reduces the contrast but increases the sharpness Increases both the contrast and sharpness Increases the contrast of the image but reduces the sharpness 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 : ?