Chapter 27 Review Questions

Most of the light that we see has undergone

(a) selective interference

(b) selective transmission

(c) selective reflection

(d) selective refraction

A mixture of magenta and green lights give white light. These two colors are

(a) additive primaries

(b) secondary colors

(c) complementary colors

(d) fluorescent colors

(e) interference colors

Mixing yellow paint and magenta paint gives what color?

(a) red

(b) green

(c) blue

(d) cyan

What color would red cloth appear if it were illuminated by cyan light?

(a) cyan

(b) red

(c) yellow

(d) green

(e) black

The sky is blue because air molecules in the sky act as tiny

(a) mirrors which reflect only blue light

(b) resonators which scatter blue light

(c) sources of white light

(d) prisms

(e) none of these

When you stare at a red object for a long time without moving your head and eyes and then suddenly look away at a white screen, you will see a image of the object.

(a) red

(b) blue

(c) cyan

(d) green

e) white