MCAT: LENSES AND MIRRORS
QUESTIONS AND ANSWERS.
if an object is further from a convex lens than 2f, what type of image is formed -
Answers-inverted, real, reduced
if an object is at 2f of a convex lens, what type of image is formed - Answers-inverted,
real, same size as object
if an object is between 2f and f of a convex lens what type of image is formed -
Answers-inverted, real, magnified
if an object is between f and the lens of a convex lens what type of image is formed -
Answers-upright, virtual, magnified
what is the sign of f for convex lenses - Answers-positive
what is the sign of f for concave lenses - Answers-negative
what is the sign for the distance of an object (lens) - Answers-always positive for both
convex and concave lenses
what is the sign for the image of an object (lens) - Answers-positive if it is on the
opposite side of the object and negative if it is on the same side as the object
if the magnification is positive, what does that tell you about the image - Answers-
upright
if the magnification is negative, what does that tell you about the image - Answers-
inverted
if an object is further than f for a concave lens, what type of image is produced -
Answers-virtual, upright, reduced
on what side of a mirror would a real image show up - Answers-on the same side that
the light source is coming from (bc the light is reflected)
on what side of a mirror would a virtual image show up - Answers-on the back side of
the mirror
on what side of a lens would a virtual image show up - Answers-on the same side as
the light source/object
QUESTIONS AND ANSWERS.
if an object is further from a convex lens than 2f, what type of image is formed -
Answers-inverted, real, reduced
if an object is at 2f of a convex lens, what type of image is formed - Answers-inverted,
real, same size as object
if an object is between 2f and f of a convex lens what type of image is formed -
Answers-inverted, real, magnified
if an object is between f and the lens of a convex lens what type of image is formed -
Answers-upright, virtual, magnified
what is the sign of f for convex lenses - Answers-positive
what is the sign of f for concave lenses - Answers-negative
what is the sign for the distance of an object (lens) - Answers-always positive for both
convex and concave lenses
what is the sign for the image of an object (lens) - Answers-positive if it is on the
opposite side of the object and negative if it is on the same side as the object
if the magnification is positive, what does that tell you about the image - Answers-
upright
if the magnification is negative, what does that tell you about the image - Answers-
inverted
if an object is further than f for a concave lens, what type of image is produced -
Answers-virtual, upright, reduced
on what side of a mirror would a real image show up - Answers-on the same side that
the light source is coming from (bc the light is reflected)
on what side of a mirror would a virtual image show up - Answers-on the back side of
the mirror
on what side of a lens would a virtual image show up - Answers-on the same side as
the light source/object
