8.7 Addition and Subtraction of Light

Front

Which of the following is NOT a primary color of light? Red, Blue, Yellow, Green

Back

Yellow

Front

The process of mixing primary colored lights to produce secondary colored lights is related to?

Back

Addition of light

Front

The diagram shows light color addition. What color is P?

Back

Yellow

Front

The colors orange, violet, and indigo belong to which group?

Back

The visible light spectrum

Front

Only allow the light of the same color to pass through; light of other colors is absorbed.

Back

Primary color filters

Front

Which pair of colours do NOT combine to make the correct secondary colours? Options: Red + Blue, Red + Green, Blue + Green, Red + Yellow

Back

Red + Yellow = Green

Front

Which color(s) does this filter transmit?

Back

Only green

Front

Which color will transmit through the filter?

Back

Red only

Front

Which image correctly shows how a magenta and a yellow filter produce colored light? Options: A, B

Back

B

Front

Why do a magenta filter and a yellow filter produce two coloured lights?

Back

The filters separate the primary colours that make up the secondary colours (magenta & yellow).