What would an american flag look like if you viewed it through a filter that transmits only red light? what would it look like through a filter that transmits only blue light?

Red: The red parts will stay the same

The blue parts will turn black - there is no red in blue

The white parts will turn red - there is red in white

Blue: The blue parts will stay the same

The red parts will turn black - there is no blue in red

The white parts will turn blue - there is blue in white