HARD
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Photographic images uses four different types of light sensitive film emulsion bases, these are black and white, , black and white infrared and colour infrared.

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Important Questions on Introduction to Remote Sensing

HARD
The numerical manipulation of DN values for the purpose of extracting information is called _____.
MEDIUM
How is data transmitted from remote sensing satellites to Earth stations?
MEDIUM
What is the role of digital image processing in remote sensing?
HARD
All photographs are images, but all images are not photographs.