Elements of Remote Sensing Questions

• Spatial variation in horizontal and vertical directions, is caused due to :
• A passive sensor uses :
• The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called:
• The infrared portion of EMR lies between
• The code based GPS receivers are generally used for:
• Crop Acreage and Production Estimation (CAPE) was funded and taken up in 1983 by:
• Which one of the following statements is correct?
• In case of reflection and refraction of electromagnetic radiation,
• For C band Synthetic Aperture Radar (SAR) with Doppler band width of 1300 Hz, the coherence length lcoh is:
• The GPS space segment consists of Navigation Satellite Timing and Ranging whose number is :
• Critical angle of electromagnetic radiation takes place if
• The changes in the reflectivity/emis-sivity with time, is called :
• The normal altitude of GPS satellite is about
• While propagating through homogeneous, isotropic media,
• Pick up the correct statement from the following:
• Pick up the correct statement from the following:
• For interpolation of satellite data used for monitoring dynamic changes that occure on the earth surface, the most suitable orbit for the satellite is :
• Which one of the following quantities forms the basis of radiometery?
• Which one of the following statements is correct?
• Due to scan geometery of a satellite sensor: