Mirrors, Lenses And The Eye Question Preview (ID: 9069)


S&L 4.1 And 4.2. TEACHERS: click here for quick copy question ID numbers.

A mirror that has a flat surface
a) plane
b) concave
c) convex
d) virtual

A transparent object that forms an image by refracting light is a
a) concave mirror
b) lens
c) window
d) convex mirror

Where are the rods and cones located?
a) in the cornea
b) in the retina
c) in the iris
d) in the pupil

What is the membrane that protects the eye and through which light is refracted?
a) iris
b) pupil
c) retina
d) cornea

Muscles surrounding the lens of the eye
a) make the lens thicker so it can focus
b) make the lens thinner so it can focus
c) make the lens thicker or thinner so it can focus
d) keep the lens from changing so it can focus

Surgical correction of nearsightedness or farsightedness involves using a laser to reshape a patient's
a) retina
b) rods and cones
c) cornea
d) pupil

What causes color deficiency?
a) one or more types of cones respond to the wrong color
b) one or more types of rods respond to the wrong color
c) the irises respond to the wrong color
d) the irises change color

What part of the eye detects very dim light?
a) cornea
b) lens
c) rods
d) cones

A person who is nearsighted
a) has eyes that are too long, and things far away look blurry
b) has eyes that are too short, and things far away look blurry
c) has eyes that are too long, and things nearby look blurry
d) has eyes that are too short, and things nearby look blurry

What is a transparent object that is thinner in the middle than at the edges?
a) convex lens
b) convex mirror
c) concave lens
d) concave mirror

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