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| What is the light ray coming in? |
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Definition
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| When light strikes your physics book, some of the light is reflected and some is absorbed and spread out as what kind of energy? |
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Term
| What depends on the type of surface and the angle at which light strikes the surface? |
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Definition
| the behavior of the reflected light |
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Term
| What law states that the angle of incidence is equal to the angle of reflection? |
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Definition
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Term
| parallel light rays are reflected in parallel (only on a smooth surface like a mirror) |
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Definition
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Term
| scattering of light off a rough surface |
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Definition
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| All of the light rays that make up the beam are ______ before striking the surface, but the reflected rays are not. |
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Definition
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Term
| What applies to rough and smooth surfaces? |
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Term
| a reflected beam cannot be seen because the reflected rays are scattered in different directions I what kind of reflection? |
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Term
| You can see your face (reflection), but no matter how much light is reflected off a wall or sheet of paper, you will never be able to use them as a mirror. This represents what kind of reflection? |
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Definition
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Term
| What are made by spraying molten aluminum or silver onto plate glass in a vacuum? |
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Definition
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Term
| flat, smooth surface from which light is reflected (like those we see our reflection in) |
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Definition
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Term
| What is a source of light rays that are to be reflected by a mirrored surface? |
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Definition
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Term
| An object can be what or what? |
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Definition
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Term
| What is an example of a luminous object? |
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Definition
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Term
| What is an example of an illuminated object? |
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Definition
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Term
| What does a light that diverges do? |
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Definition
| spreads out from the source |
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Term
| What is formed by diverging light rays? |
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Definition
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Term
| Where is a virtual image always at? |
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Definition
| on the opposite side of the mirror from the object |
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Term
| What are always virtual images? |
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Definition
| images of real objects produced by plane mirrors |
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Term
| The image position is equal to the negative of the object position with what kind of mirror? |
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Definition
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Term
| With a plane mirror, image height is equal to what? |
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Definition
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Term
| A plane mirror produces an image with the same orientation as the object, but what appears to be reversed? |
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Definition
| left and right (it doesn't really do this) |
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Term
| What is front to back reversal? |
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Definition
| the mirror only reverses the image so that it is facing in the opposite direction as the person |
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Term
| What depends on the shape of the mirror and the object's position? |
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Definition
| the properties of curved mirrors and the images the form |
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Term
| What has a reflective surface whose edges curve toward the observer? (ex- inside surface of a shiny spoon) |
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Definition
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Term
| straight line perpendicular to the surface of the mirror that divides the mirror in half |
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Definition
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Term
| point where incident light rays that are parallel to principal axes converge (come together) after reflecting from the mirror |
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Definition
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Term
| The focal point of what kind of mirror is located halfway between the center of curvature and the mirror surface? |
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Definition
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Term
| position of focal point with respect to the mirror along the principle axis and can be expressed as f=r/2 |
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Definition
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Term
| What is the focal length for a concave mirror? |
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Definition
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Term
| image formed by converging of light rays: inverted and larger than the object |
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Definition
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Term
| Where do the rays converge at in a real image? |
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Definition
| the point where the image is located |
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Term
| What kind of image can be projected onto a screen and what kind can't? |
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Definition
| real image, virtual image |
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Term
| What kind of mirror produced an inverted real image if the object position (d0) is greater than twice the focal length (f)? |
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Definition
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Term
| Why is the object beyond the center of curvature? |
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Definition
| image is smaller than the object |
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Term
| When is the image real and inverted but the size of the image is greater than the seize of the object? |
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Definition
| if the object is placed between the center of curvature and the focal point |
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Term
| What produces a real image that is upright by using a large concave mirror and small concave mirror? (smaller mirror is outside focal point of the large mirror) |
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Definition
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Term
| In what kind of mirror are only parallel rays that are close to the principle axis reflected through the focal pint where other rays converge at a point closer to the mirror's surface? |
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Definition
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Term
| image defect of a spherical mirror that does not allow parallel light rays far from the principal axis to converge at the focal point, and produces an image that is fuzzy, not sharp |
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Definition
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Term
| What eliminates spherical aberration because parabolic mirrors focus all parallel rays at a point? |
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Definition
| a perfectly parabolic mirror |
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Term
| property of a spherical mirror, how much larger or smaller the image is relative to the object |
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Definition
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Term
| When is a virtual image that is upright and larger compared to the object formed behind the mirror? |
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Definition
| when an object is located between the focal point and a spherical concave mirror |
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Term
| When does the image move farther away from the mirror? |
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Definition
| as an object approaches the focal point (F) of a concave mirror |
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Term
| If the object is at the focal point, what are all of the reflected rays? |
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Definition
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Term
| If the reflected rays never meet, and the image is said to be at infinity, the object could do what? |
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Definition
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Term
| What can act as a concave mirror? |
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Definition
| inner surface of a shiny spoon |
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Term
| What can act as a convex mirror? |
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Definition
| outer surface of a shiny spoon |
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Term
| What is a reflective surface with edges that curve away from the observer? |
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Definition
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Term
| What always diverge or spread apart so they from virtual images? |
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Definition
| rays reflected from a convex mirror |
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