Chapter 28, Problem 33A

(a)

To determine

To Find: The change in color of stage performer’s white shirt under the light of red and green colors.

Explanation of Solution

Introduction:

There are three primary colors and they are red, green and blue. The overlapping or combination of any pair of these colors generates another color.

If red and green light overlap, then the yellow light forms. The green and red lights stimulate the cones of human eye and these colors are stimulated by yellow color.

So, the color of shirt under these red and green illumination, the color of shirt appears yellow.

Conclusion:

The yellow color appears on the performer’s white shirt when the green and red combines.

(b)

To determine

To Find: The colors of shadow on performer’s shirt that casts on the stage floor.

Explanation of Solution

Introduction:

The objects reach close to the screen, the shadows overlap and produce the dark light where the object blocks the light.

On the stage floor the green and red lights are casted and they are overlapped. The colors of the shadows the performer casts depend on various factors.

The shadow will be black, red or green at different spots.

Conclusion:

The shadow will be black, red or green at different spots.