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Mirror Equation quiz #1

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Terms in this set (10)

  • What is the shape of the surface of a concave mirror?
    A concave mirror has a surface that curves inward, like the inside of a sphere. It is a type of spherical mirror cut from a sphere, and is also known as a converging mirror.
  • How can you determine if the image produced by a mirror is enlarged or reduced in size?
    The size of the image relative to the object is determined by the magnification, which is given by the formula: magnification = - (image distance) / (object distance). If the absolute value of the magnification is greater than 1, the image is enlarged; if it is less than 1, the image is reduced in size.
  • What is the relationship between the focal length and the radius of curvature for a spherical mirror?
    The focal length is equal to half the radius of curvature. This means f = R/2 for any spherical mirror.
  • What does a positive image distance indicate about the image produced by a mirror?
    A positive image distance means the image is real and inverted. This always occurs for real images formed by mirrors.
  • What type of mirror always has a negative focal length by convention?
    A convex mirror always has a negative focal length. This is because it is a diverging mirror.
  • How is the focal length of a plane mirror treated in the mirror equation?
    The focal length of a plane mirror is considered to be infinity. This simplifies the mirror equation for plane mirrors.
  • What does a negative image distance signify about the image's nature and orientation?
    A negative image distance means the image is virtual and upright. All virtual images produced by mirrors have this property.
  • Which type of mirror is capable of producing a real image?
    Only a concave mirror can produce a real image. This is because it is the only type that converges light.
  • What does the sign of the magnification tell you about the image's orientation?
    A positive magnification means the image is upright, while a negative magnification means it is inverted. The sign convention helps determine the image's orientation.
  • If a person stands 1 meter in front of a plane mirror, where is their image located according to the mirror equation?
    The image is located 1 meter behind the mirror, or at -1 meter image distance. This negative value indicates the image is virtual.