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15 powerpoint note questions
Question | Answer |
---|---|
What type of images does plane mirrors produce? | Virtual |
True or False:Plane mirrors are flat? | True |
True or False:Convex mirrors are curved inward? | False: Convex Mirrors are curved outwardConcave Mirrors are curved inward |
True or False:an image is a likeness or a reproduction of an object? | True |
True or False: Virtual images are always inverted | False:Virtual imageas are always upright, real images are inverted |
When waves are partly reflected and partly refracted it is because they fall on a _______ medium | transparent |
True or False:The dotted line, that if it is measured at a 90 degree angle is the normal. | True |
True or False:An echo is a reflected sound | True |
True or False:Each ray obeys the Law of Incidnet? | False:each ray obeys the Law of Reflection |
True or False:A smooth mirror is only reflected in one direction? | True |
True or False:A surface may not be polished for long wavelengths, but may be polished for short wavelengths | False:A long wavelength may be polished, and a short wavelength may not be polished |
True or False:Sound energy that is not reflected is absorbed or transmitted | True |
True or False:A concave mirror close up, is larger than when it is far away? | True |
True or False:A concave Mirror far away, is a virtual image? | False:It is inverted, so it would be real |
True or False:Diffuse reflection is the reflection of light from a rough surface? | True |