2. What is the critical angle for total internal reflection at a benzene-air interface? The index of refraction of benzene is 1.80. O 22° 34⁰. O 47°. 56⁰. O Total internal reflection is not possible.
2. What is the critical angle for total internal reflection at a benzene-air interface? The index of refraction of benzene is 1.80. O 22° 34⁰. O 47°. 56⁰. O Total internal reflection is not possible.
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Transcribed Image Text:1. What can you say about the
rainbow in the art below from the
6th century?
I. The rainbow is physically realistic because the red is in the innermost layer.
II. The rainbow is physically realistic because the blue is in the outermost layer.
III. The rainbow is not physically realistic because the red is not in the outmost layer.
IV. The rainbow is not physically realistic because the blue is not in the innermost layer.
O I only.
III only.
OIV only.
L
O Both III and IV.
2. What is the critical angle for total
internal reflection at a benzene-air
interface? The index of refraction of
benzene is 1.80.
O 34⁰.
O 47°.
O 56⁰.
O Total internal reflection is not possible.
3.In the figure below from PhET
website, what could be the index of
refraction of Mystery Material B?
Both I and II.
22°.
O
O
8Q
-90
60
O 1.50.
O 2.42.
O
30
1.00.
30
1.38.
2.49.
O
4. Strictly speaking, the index of
refraction depends on:
O
O Type of material.
0
I
1
O 45.6°.
I
O 90.0°
O nred <nviolet.
56.8°.
30
62.5°.
30
Onred > nviolet.
nred nviolet.
5.Based on the figure below, what can
you say about the indices of
refraction of red (nred) and violet
(nviolet)?
60
Wavelength of light.
Type of material and wavelength of light.
Either type of material or wavelength of
light.
Cannot be determined.
90-
Neither type of material nor wavelength
of light.
60.
O I need more information.
6. In the figure below from PhET
website, what could be the angle of
incidence? Notice that the angle of
refraction is almost 90°.
Cannot be determined.
O Farsightedness.
Nearsightedness.
O The eyes are normal.
inside
inside
I and
O It cannot be determined.
I need more information.
7. What type of eye aberration is
experienced by the person in the
figure below based on the effect of
the corrective lens she is wearing?
II an IV.
IV.
9. Which of the following are true
about rainbows?
II and III.
8. What condition must be satisfied
reflection to take
for total internal
place?
Material Glass
Index of Refraction (n) ◄
Air
Water
Material
O I, III, and V.
O Anything goes.
Light must
travel
O
higher optical
Light must travel from a medium of lower
optical density to a higher one.
Light must travel from a medium of
O optical density to one with the same
optical density.
Total internal
reflection only occurs
between sunlight and water droplets in
the atmosphere.
II, III, and IV.
1.
The color
the
arc
of
rainbow
is
dark.
II. The
color
the
arc
of
the primary
the primary rainbow is white.
III. The primary rainbow is brighter the secondary rainbow.
the secondary is reversed compared
the secondary rainbow the same
than
IV. The order
of
color
in
rainbow
V. The order
of color
in
is
compared
What is n?
density
Mystery B
Material Glass
Index of Refraction (n) ◄ 1.500
Air
Water
Glass
Material Water
Index of Refraction (n) 1.333
Air
Water
Glass
from a medium of
to lower one.
1.50
Glass
to
to
the primary one.
the
primary one.
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