Images
Images
Images
Images
Images
Images
eyes
point source
mirror
Images
Images
Images
Images
ImagesBra
in: “I se
e a
light b
eyond
the mirro
r!”
ImagesBra
in: “I se
e a
light b
eyond
the mirro
r!”
Images
Plane Mirror makes a “Virtual Image”
Brain: “
I see a
light b
eyond
the mirro
r!”
Images
Plane Mirror makes a “Virtual Image”
Brain: “
I see a
light b
eyond
the mirro
r!”
Images
Plane Mirror makes a “Virtual Image”
Brain: “
I see a
light b
eyond
the mirro
r!”
Images
Plane Mirror makes a “Virtual Image”
Brain: “
I see a
light b
eyond
the mirro
r!”
Images
Plane Mirror makes a “Virtual Image”
Brain: “
I see a
light b
eyond
the mirro
r!”
“Me too”
Apparent Depth
Apparent Depth
air
water
Apparent Depth
air
water
Apparent Depth
air
water
Apparent Depth
air
water
Apparent Depth
air
water
Apparent Depth
air
water
Apparent Depth
air
water
Apparent Depth
air
water
Apparent Depth
air
water
Apparent Depth
θair air
water
Apparent Depth
θair
θair
air
water
Apparent Depth
θair
θwater
θair
air
water
Apparent Depth
θair
θwater
θwater
θair
air
water
Apparent Depth
θair
θwatersin(θair)= nwater sin(θwater)
θwater
θair
air
water
Apparent Depth
θair
θwater
d
sin(θair)= nwater sin(θwater)
θwater
θair
air
water
Apparent Depth
θair
θwater
d
depth of object = d/tan(θwater)
sin(θair)= nwater sin(θwater)
θwater
θair
air
water
Apparent Depth
θair
θwater
d
depth of object = d/tan(θwater)
depth of image = d/tan(θair)
sin(θair)= nwater sin(θwater)
θwater
θair
air
water
Apparent Depth
Apparent Depth
airθair
θwater
d
depth of object = d/θwater
depth of image = d/θair
θair= nwater θwater
θwater
θair
small angles:(angles in radians)
water
Apparent Depth
airθair
θwater
d
depth of object = d/θwater
depth of image = d/θair
θair= nwater θwater
θwater
θair
small angles:(angles in radians)
depth of object θairdepth of image θwater=
water
Apparent Depth
airθair
θwater
d
depth of object = d/θwater
depth of image = d/θair
θair= nwater θwater
θwater
θair
small angles:(angles in radians)
depth of object θairdepth of image θwater=
depth of object 1depth of image nwater=
water
Apparent Depth
airθair
θwater
d
depth of object = d/θwater
depth of image = d/θair
θair= nwater θwater
θwater
θair
small angles:(angles in radians)
depth of object θairdepth of image θwater=
depth of object 1depth of image nwater=
For example if the object is 1 m deep, nwater=1.33,
the image is 0.75 m deep.
water
Apparent Depth
airθair
θwater
d
depth of object = d/θwater
depth of image = d/θair
θair= nwater θwater
θwater
θair
small angles:(angles in radians)
depth of object θairdepth of image θwater=
depth of object 1depth of image nwater=
For example if the object is 1 m deep, nwater=1.33,
the image is 0.75 m deep.
waternwater=1.33
Apparent Depth
airθair
θwater
d
depth of object = d/θwater
depth of image = d/θair
θair= nwater θwater
θwater
θair
small angles:(angles in radians)
depth of object θairdepth of image θwater=
depth of object 1depth of image nwater=
For example if the object is 1 m deep, nwater=1.33,
the image is 0.75 m deep.
waternwater=1.33
1.00 m
Apparent Depth
airθair
θwater
d
depth of object = d/θwater
depth of image = d/θair
θair= nwater θwater
θwater
θair
small angles:(angles in radians)
depth of object θairdepth of image θwater=
depth of object 1depth of image nwater=
For example if the object is 1 m deep, nwater=1.33,
the image is 0.75 m deep.
waternwater=1.33
0.75 m
1.00 m