Question
click below
click below
Question
Normal Size Small Size show me how
Chapter 29.questions
Question | Answer |
---|---|
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 |