Coherence of two electromagnetic waves takes place if their phase difference is_________________?

Related Mcqs:

Pick up the correct statement from the following ?

A. For the same feature, the photograph taken from the satellite vertically above the aircraft, the height displacement is lesser than the aerial photograph B. The scale of the aerial photograph depends upon the scale of the topography C. The feature at the principal point has no height displacement D. All of the above...

A reduction of nitrogen nutrient in plants_______________?

A. Affects leaf colour B. Reduces pigment concentration C. Increase the visible reflectivity D. All of these...

Which one of the following errors is produced by platform characteristics of the sensor ?

A. Altitude variation B. Altitude C. Orbit drift D. All of these...

Which one of the following attributes is not associated with digital maps_______________?

A. Colour B. Symbology C. Legends D. South arrow...

Remote sensing techniques make use of the properties of ______________ emitted, reflected or diffracted by the sensed objects?

A. Electric waves B. Sound waves C. Electromagnetic waves D. Wind waves...