A color TV uses red, green, and blue phosphors to produce the colors that we see

Question

A color TV uses red, green, and blue phosphors to produce the colors that we see. In printing, however, we use magenta, yellow, and cyan as the primary colors. How do these two situations differ? a) A TV screen produces electromagnetic waves to achieve color while the printing process uses the reflection of photons to achieve color. b) There is no significant difference in the two situations other than the preferences established as these two areas developed independently. c) A TV screen uses the superposition of wavelengths to achieve color while the printing process uses the superposition of frequencies to achieve color. d) A TV screen uses color addition to achieve color while the printing process uses color subtraction to achieve color.

Explanation / Answer

ans (d) A TV screen uses color addition to achieve color while the printing process uses color subtraction to achieve color.

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