In GPS, receivers are used are; Atomic clocks Quartz clocks Mechanical clocks Electronic clocks TRUE ANSWER : ? YOUR ANSWER : ?
The refractive index of the ocean water: Decreases with salinity Increases with temperature Increases with salinity Decreases with temperature TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following frequency regions is a part of sun's radiation? Ultraviolet frequency region All of these Infrared frequency region Radio frequency region 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 reflection None of these Snell's law Fresnel refraction TRUE ANSWER : ? YOUR ANSWER : ?
Spatial variation in horizontal and vertical directions is caused due to: Biological weathering of rocks Physical weathering of rocks Chemical weathering of rocks All of these TRUE ANSWER : ? YOUR ANSWER : ?
The maximum sun's radiation occurs around: None of these 0.4 μm wave length 0.7 μ wave length 0.55 μ wave length TRUE ANSWER : ? YOUR ANSWER : ?
Repetitive observations of the same area at equal interval of time are useful to monitor the dynamic phenomena: Snow cover Cloud evolution Vegetative cover All of these TRUE ANSWER : ? YOUR ANSWER : ?
Formation of snow occurs if the cloud temperature is None of these Below the freezing point Just above the freezing point At the freezing point TRUE ANSWER : ? YOUR ANSWER : ?
A reduction of nitrogen nutrient in plants: Increase the visible reflectivity All of these Affects leaf color Reduces pigment concentration TRUE ANSWER : ? YOUR ANSWER : ?
The arrangement of terrain features which provides attributes: the shape, size and texture of objects, is called: Temporal variation Spectral variation None of these Spatial variation TRUE ANSWER : ? YOUR ANSWER : ?