Elements Of Remote Sensing
Electromagnetic radiation:

All of these
Produces a time varying magnetic field and vice versa
Is capable to travel across space
Once generated, remains self-propagating

ANSWER DOWNLOAD EXAMIANS APP

Elements Of Remote Sensing
The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target,

Increases both the contrast and sharpness
Reduces the contrast of the image and also its sharpness
Increases the contrast of the image but reduces the sharpness
Reduces the contrast but increases the sharpness

ANSWER DOWNLOAD EXAMIANS APP