The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target, Increases both the contrast and sharpness Increases the contrast of the image but reduces the sharpness Reduces the contrast but increases the sharpness Reduces the contrast of the image and also its sharpness TRUE ANSWER : ? YOUR ANSWER : ?
Spatial variation in horizontal and vertical directions is caused due to: Physical weathering of rocks Biological weathering of rocks Chemical weathering of rocks All of these TRUE ANSWER : ? YOUR ANSWER : ?
The reflectance from a surface is called specular reflection if it follows: All of these Lambert Planktan Snell’s law TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following statements is correct regarding the GPS satellites? The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz) The nominal altitude is about 20,200 km All of these The inclination of axis satellite is 55° TRUE ANSWER : ? YOUR ANSWER : ?
The object of photo-interpretation is: Recognition of objects Identification Judging the significance of objects All of these TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following statement is correct? All of these The rate of transfer of radiant energy is called flux and is expressed in watts The radiant energy which falls upon a surface is termed as irradiance Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation TRUE ANSWER : ? YOUR ANSWER : ?
In case of reflection and refraction of electromagnetic radiation, All listed here Angle of refraction = sum of the angles of incidence and refraction Angle of incidence = angle of reflection Angle of incidence = angle of refraction TRUE ANSWER : ? YOUR ANSWER : ?
'A time varying electric field produces a magnetic field.' This phenomenon is called: Ampere Maxwell's law Faraday's law Hertz's law Kirchoff’s law TRUE ANSWER : ? YOUR ANSWER : ?
The refractive index of the ocean water: Decreases with temperature Decreases with salinity Increases with salinity Increases with temperature TRUE ANSWER : ? YOUR ANSWER : ?
The remote sensing techniques applied for the earth's surface features, is generally confined to the following wave lengths: 0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 μm 2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm All of these 4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm TRUE ANSWER : ? YOUR ANSWER : ?