Discussion Forum : Avionics
Question -
What is the contrast ratio of real world image to the CRT display image?
Answer: Option C
A COMBINER ALLOWS 70% OF THE OUTSIDE WORLD LIGHT AND 30% OF THE CRT PRODUCED COLLIMATED LIGHT TO PASS THROUGH IT. THUS CONTRAST RATION= BRIGHTNESS OF REAL-WORLD LIGHT : BRIGHTNESS OF CRT LIGHT = 70 : 30 = 7 : 3 .
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A COMBINER ALLOWS 70% OF THE OUTSIDE WORLD LIGHT AND 30% OF THE CRT PRODUCED COLLIMATED LIGHT TO PASS THROUGH IT. THUS CONTRAST RATION= BRIGHTNESS OF REAL-WORLD LIGHT : BRIGHTNESS OF CRT LIGHT = 70 : 30 = 7 : 3 .
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