Elements Of Remote Sensing
The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called:

Active sensors
Sensors
None of these
Passive sensors

ANSWER DOWNLOAD EXAMIANS APP

Elements Of Remote Sensing
Which one the following is a correct statement?

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

ANSWER DOWNLOAD EXAMIANS APP