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Chapter 29.questions

QuestionAnswer
What is the bouncing back of a particle or wave that strikes a boundary between two media? reflection
What materials are not as rigid to light waves? glass and water
When light strikes glass perpendicularly, about what percent of its energy is reflected? 4%
What is a light wave that strikes a boundary called? incident wave
What is the angle formed between the incident ray and the normal? angle of incidence
What is the angle formed between the reflected ray and the normal? angle of reflection
What does the angle of incidence equal? angle of reflection
What kind of image appears to be in a location where light does not really reach? virtual
What kind of mirrors produce only virtual images? plane mirrors
Security mirrors and traffic control mirrors are examples of what kind of mirror? convex
A make-up mirror is an example of what kind of mirror? concave
What images in mirrors are images that seem to be in or behind the mirror and are always upright? virtual
What kind of images are formed by converging light rays and can be displayed on a screen? real
Diffuse reflection is the reflection of light from what kind of surface? rough
What is reflected sound? echo
Created by: 1266865648
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