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15 powerpoint note questions

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
Created by: mhickey