Chapter 29 B Light Waves Thin Films

When light waves that are in phase meet, the result is brighter light. no light. dimmer light. light of shifted frequency. Answer: A

When light waves that are in phase meet, the result is brighter light. no light. dimmer light. light of shifted frequency. Answer: A

A beam of white light that reflects from a pair of closely spaced surfaces has color because some of the reflected light is converted to a different frequency. deflected. subtracted from the beam. amplified. Answer: C

A beam of white light that reflects from a pair of closely spaced surfaces has color because some of the reflected light is converted to a different frequency. deflected. subtracted from the beam. amplified. Answer: C

If a portion of a soap bubble in sunlight appears greenish blue, then the light canceled by interference was red. yellow. blue. greenish blue. Answer: A

If a portion of a soap bubble in sunlight appears greenish blue, then the light canceled by interference was red. yellow. blue. greenish blue. Answer: A

When light is canceled by the interference in thin films, the color produced is often brighter than the incident light. a primary color. the complement of the color canceled. iridescent. Answer: C

When light is canceled by the interference in thin films, the color produced is often brighter than the incident light. a primary color. the complement of the color canceled. iridescent. Answer: C Comment: Although iridescent colors are often seen when interference occurs in objects such as sea shells, the color always produced is the complement of the color canceled.