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Chapter 29 Question
| Question | Answer |
|---|---|
| Usually waves are partly reflected and partly __________ when they fall on a _____________ medium. | refracted, transparent |
| Light energy returns in a _________ _____. | reflected wave |
| Metal surfaces are _______ to light waves. | rigid |
| What is does the law of reflection state? | The law of reflection states that the angle of incidence and the anlge of reflection are equal to each other. |
| Reflection does not affect _________. | frequency |
| A _______ image appears to be in a location where light does not really reach. | virtual |
| What kind of mirror is smaller and farther from the mirror than the object is? | A convex mirror. |
| Make-up mirrors and certain telescopes use what kind of mirror? | A concave mirror. |
| An _________ image is a likeness or a reproduction of an object. | image |
| What happens when light hits a rough surface? | The light is reflected in many different directions. |
| Anything that you look at and you cannot see your image, the surface is not __________. | polished |
| Whether the reflector is diffused or polished, it depends on the __________ of the wave it reflects. | wavelength |
| Sound can be either __________, __________, or __________. | absorbed, reflected, transmitted |
| What is the study of the reflective properties of surfaces? | Acoustics. |
| More sound energy is reflected from a __________ and __________ surface than from a soft and irregular surface. | rigid, smooth |