Images Formed by Mirrors - AP Physics 2
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Determine the image location for an object beyond the center of curvature in a concave mirror.
Determine the image location for an object beyond the center of curvature in a concave mirror.
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Between the focal point and the center of curvature. Real image forms between $f$ and center when object is beyond center.
Between the focal point and the center of curvature. Real image forms between $f$ and center when object is beyond center.
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What is the focal length of a plane mirror?
What is the focal length of a plane mirror?
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$f = \infty$ (infinite). Plane surfaces don't converge or diverge rays, so no focal point exists.
$f = \infty$ (infinite). Plane surfaces don't converge or diverge rays, so no focal point exists.
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Calculate the magnification if $d_o = 10 \text{ cm}$ and $d_i = -5 \text{ cm}$.
Calculate the magnification if $d_o = 10 \text{ cm}$ and $d_i = -5 \text{ cm}$.
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$m = 0.5$. Using $m = -\frac{d_i}{d_o} = -\frac{-5}{10} = 0.5$.
$m = 0.5$. Using $m = -\frac{d_i}{d_o} = -\frac{-5}{10} = 0.5$.
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State the sign convention for object distance in mirrors.
State the sign convention for object distance in mirrors.
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Positive if object is in front of mirror. Objects in front of mirrors have positive distances by convention.
Positive if object is in front of mirror. Objects in front of mirrors have positive distances by convention.
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What happens to the image when the object is at the center of curvature in a concave mirror?
What happens to the image when the object is at the center of curvature in a concave mirror?
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Image is real, inverted, and same size. At center of curvature, object and image distances equal $2f$.
Image is real, inverted, and same size. At center of curvature, object and image distances equal $2f$.
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Determine the image nature when $d_i$ is negative.
Determine the image nature when $d_i$ is negative.
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Image is virtual. Negative image distance indicates virtual image behind mirror.
Image is virtual. Negative image distance indicates virtual image behind mirror.
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State the formula for calculating image height.
State the formula for calculating image height.
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$h_i = m \times h_o$. Image height equals magnification times object height.
$h_i = m \times h_o$. Image height equals magnification times object height.
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Identify the image property when $h_i = h_o$ in any mirror.
Identify the image property when $h_i = h_o$ in any mirror.
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Image is the same size as the object. When $h_i = h_o$, magnification equals 1, indicating same size.
Image is the same size as the object. When $h_i = h_o$, magnification equals 1, indicating same size.
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What type of mirror is used for security and surveillance?
What type of mirror is used for security and surveillance?
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Convex mirror. Wide field of view helps monitor large areas effectively.
Convex mirror. Wide field of view helps monitor large areas effectively.
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What is the focal point of a mirror?
What is the focal point of a mirror?
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The point where parallel rays converge or appear to diverge. Defines where parallel incident rays meet after reflection.
The point where parallel rays converge or appear to diverge. Defines where parallel incident rays meet after reflection.
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What does a negative magnification indicate?
What does a negative magnification indicate?
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Image is inverted. Negative magnification means image is flipped relative to object.
Image is inverted. Negative magnification means image is flipped relative to object.
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Find the image properties when an object is at twice the focal length of a concave mirror.
Find the image properties when an object is at twice the focal length of a concave mirror.
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Real, inverted, same size. At twice focal length, object and image are same size.
Real, inverted, same size. At twice focal length, object and image are same size.
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Identify the mirror type that can form a full-length image of a person.
Identify the mirror type that can form a full-length image of a person.
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Plane mirror. Plane mirrors create life-size images suitable for full body viewing.
Plane mirror. Plane mirrors create life-size images suitable for full body viewing.
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Determine $h_i$ if $h_o = 4 \text{ cm}$ and $m = 2$.
Determine $h_i$ if $h_o = 4 \text{ cm}$ and $m = 2$.
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$h_i = 8 \text{ cm}$. Using $h_i = m \times h_o = 2 \times 4 = 8$ cm.
$h_i = 8 \text{ cm}$. Using $h_i = m \times h_o = 2 \times 4 = 8$ cm.
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What type of image is formed by a plane mirror?
What type of image is formed by a plane mirror?
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Virtual, upright, and the same size as the object. Plane mirrors reflect light at equal angles, creating laterally inverted images.
Virtual, upright, and the same size as the object. Plane mirrors reflect light at equal angles, creating laterally inverted images.
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What is the magnification formula for mirrors?
What is the magnification formula for mirrors?
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Magnification $m = \frac{h_i}{h_o} = -\frac{d_i}{d_o}$. Negative sign accounts for real vs virtual image distinction.
Magnification $m = \frac{h_i}{h_o} = -\frac{d_i}{d_o}$. Negative sign accounts for real vs virtual image distinction.
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What type of image does a convex mirror always produce?
What type of image does a convex mirror always produce?
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Virtual, upright, and reduced in size. Convex mirrors diverge light rays, preventing real image formation.
Virtual, upright, and reduced in size. Convex mirrors diverge light rays, preventing real image formation.
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What image characteristic is constant for plane mirrors?
What image characteristic is constant for plane mirrors?
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Image is always virtual. Plane mirrors cannot form real images due to flat surface.
Image is always virtual. Plane mirrors cannot form real images due to flat surface.
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State the image characteristics for an object at the focal point in a convex mirror.
State the image characteristics for an object at the focal point in a convex mirror.
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Virtual, upright, reduced. Convex mirrors always produce diminished virtual images regardless of position.
Virtual, upright, reduced. Convex mirrors always produce diminished virtual images regardless of position.
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Find the radius of curvature relation with focal length.
Find the radius of curvature relation with focal length.
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$R = 2f$. Radius is twice the focal length for spherical mirrors.
$R = 2f$. Radius is twice the focal length for spherical mirrors.
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State the relationship between magnification and object distance.
State the relationship between magnification and object distance.
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$m = -\frac{d_i}{d_o}$. Magnification equals negative ratio of image to object distance.
$m = -\frac{d_i}{d_o}$. Magnification equals negative ratio of image to object distance.
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What is the image orientation for a plane mirror?
What is the image orientation for a plane mirror?
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Upright. Plane mirrors always produce upright, non-inverted images.
Upright. Plane mirrors always produce upright, non-inverted images.
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Determine the image location for an object beyond the center of curvature in a concave mirror.
Determine the image location for an object beyond the center of curvature in a concave mirror.
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Between the focal point and the center of curvature. Real image forms between $f$ and center when object is beyond center.
Between the focal point and the center of curvature. Real image forms between $f$ and center when object is beyond center.
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What happens to the image when $d_o = f$ in a concave mirror?
What happens to the image when $d_o = f$ in a concave mirror?
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No image is formed. At focal point, reflected rays become parallel with no convergence.
No image is formed. At focal point, reflected rays become parallel with no convergence.
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State the mirror equation.
State the mirror equation.
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$\frac{1}{f} = \frac{1}{d_o} + \frac{1}{d_i}$. Fundamental equation relating focal length to object and image distances.
$\frac{1}{f} = \frac{1}{d_o} + \frac{1}{d_i}$. Fundamental equation relating focal length to object and image distances.
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What type of image does a convex mirror always produce?
What type of image does a convex mirror always produce?
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Virtual, upright, and reduced in size. Convex mirrors diverge light rays, preventing real image formation.
Virtual, upright, and reduced in size. Convex mirrors diverge light rays, preventing real image formation.
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What is the focal length of a plane mirror?
What is the focal length of a plane mirror?
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$f = \infty$ (infinite). Plane surfaces don't converge or diverge rays, so no focal point exists.
$f = \infty$ (infinite). Plane surfaces don't converge or diverge rays, so no focal point exists.
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Calculate the magnification if $d_o = 10 \text{ cm}$ and $d_i = -5 \text{ cm}$.
Calculate the magnification if $d_o = 10 \text{ cm}$ and $d_i = -5 \text{ cm}$.
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$m = 0.5$. Using $m = -\frac{d_i}{d_o} = -\frac{-5}{10} = 0.5$.
$m = 0.5$. Using $m = -\frac{d_i}{d_o} = -\frac{-5}{10} = 0.5$.
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Identify the mirror type used in rearview mirrors.
Identify the mirror type used in rearview mirrors.
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Convex mirror. Convex mirrors provide wide field of view for safety.
Convex mirror. Convex mirrors provide wide field of view for safety.
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Calculate the focal length if $R = 20 \text{ cm}$.
Calculate the focal length if $R = 20 \text{ cm}$.
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$f = 10 \text{ cm}$. Using $f = \frac{R}{2} = \frac{20}{2} = 10$ cm.
$f = 10 \text{ cm}$. Using $f = \frac{R}{2} = \frac{20}{2} = 10$ cm.
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