Answer:
The subtraction process selectively removes some parts of the visible spectrum. For example, the yellow filter removes the blue color, transmitting the green and red colors. The magenta filter removes green, transmitting the red and blue colors. The cyan filter eliminates red, and transmits blue and green.
Explanation:
The rules of color subtraction are as follows:
i) Red color absorbs Green and blue and reflects red color
ii) Blue color absorbs green and red and reflects blue color
iii) Green color absorbs red and blue and reflects green color
iv) Cyan color absorbs red and reflects blue green (Cyan) colour
v) Magenta color absorbs green and reflects red + blue (magenta) light
vi) Yellow color absorbs blue and reflects red green (yellow) light
vii) Black color absorbs all colors and reflects no light.