Think you’ve got your head wrapped around Optics? Put your knowledge to
the test. Good luck — the Stickman is counting on you!
Q. A real image is an image that
is right side up and has light rays passing through it
is either right side up or upside down but has light rays passing through it
is right side up regardless of whether light rays pass through it
has the same image height as the object height
is either right side up or upside down but doesn't have light rays passing through it
Q. Snell's law says that when light travels from one medium to the next
if the index of refraction is lower in the first medium, the angle of incidence, θ1 will be larger than θ2.
if the index of refraction is lower in the first medium, the angle of incidence, θ1 will be smaller than θ2.
if the index of refraction is lower in the first medium, the angle of incidence, θ1 will be equal to θ2.
not enough information is given to use Snell's law to conclude anything about how light is being bent.
it is totally internally reflected.
Q. Diffraction is
light waves interacting with each other constructively or destructively
a result of the particle nature of light
the bending of light around the edges of objects
is what causes virtual images to be formed
is what allows for reflection
Q. . At what angle of incidence would light be refracted at 90° when it hits an object?
the incident angle
the reflective angle
the internal angle
the critical angle
a 45° angle
Q. What is the critical angle for light traveling from a medium with a refractive index of 1.7 to one with a refractive index of 1.5?
undefined
88°
62
90°
45°
Q. The image height of an upside down image is defined to be ____.
positive
negative
either positive or negative
It depends on whether the image is generated by reflection or refraction.
It depends on the magnification factor.
Q. What is special about a plane mirror?
the object height always equals the image height.
the object distance always equals the image distance.
things always look upside down.
it gets to travel all over the world.
both (a) and (b)
Q. Standing between the center of curvature and the focal point of the mirror,we see an upside down image of ourselves that is 6 times as tall as reality. What is the image distance when we stand 4 m from the mirror?
24 m
12 m
-4 m
4 m
-24 m
Q. An object is 60 cm away from a convex mirror, which has a radius of curvature of 25 cm. What is the image distance for this object?
4.7 cm
0.21 cm
21 cm
12.5 cm
-0.21 cm
Q. When standing between the focal point and center of curvature of a concave mirror, what do we see?
an upside down, enlarged, real image
an upside down, smaller, real image
an upside down, enlarged virtual image
a right side up, smaller, real image
a right side up, enlarged, real image