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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 |