Which one of the following statement is incorrect regarding the electromagnetic radiation ?

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Which one the following is a correct statement ?

A. The vertical section of the soil extending into the parent material, is called profile B. The layers of the soil parallel to the earth surface are called horizons C. The transitional layer between two adjoining horizons is called boundary D. All of these...

Pick up the correct statement from the following?

A. The minimum frequency of light for which no electrons are emitted, is called threshold frequency B. Polarising angle of glass is 57.5° C. At the polarising angle, the reflected and refracted rays are orthogonal D. All the above...

Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its_______________________?

A. Six ground stations B. Five ground stations C. Four ground stations D. Three ground stations...

DGPS is based on the concept that bias errors in the position of locations in a given local area, are same if their distances are within___________________?

A. 25 km B. 50 km C. 75 km D. 100 km...

Who coined the term, ‘Remote sensing_______________?

A. Evelyn L. Pruitt, a geographer B. Gaspard Felix Tournachon, a French scientist C. Wilbur Wright, an Italian scientist D. None of these...