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Calculate the speed of light in cubic zirconia as a fraction of the speed of light in air. Give your answer to 3 significant figures.
Refractive Index of Cubic Zirconia = 2.16
Refractive Index of air = 1
Refractive Index of Cubic Zirconia = 2.16
Refractive Index of air = 1
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#2
Refractive index = ratio of speed of light in vacuum to speed of light in medium
n = c/v
c = speed of light in vacuum
v = speed of light in medium
so Refractive Index of Cubic Zirconia / Refractive Index of air = speed of light in cubic zirconia / speed of light in air
so 2.16 = 3 x 10^8 / v
v = 1.39 x 10^8 m/s
hope this helps
n = c/v
c = speed of light in vacuum
v = speed of light in medium
so Refractive Index of Cubic Zirconia / Refractive Index of air = speed of light in cubic zirconia / speed of light in air
so 2.16 = 3 x 10^8 / v
v = 1.39 x 10^8 m/s

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(Original post by golgiapparatus31)
Refractive index = ratio of speed of light in vacuum to speed of light in medium
n = c/v
c = speed of light in vacuum
v = speed of light in medium
so Refractive Index of Cubic Zirconia / Refractive Index of air = speed of light in cubic zirconia / speed of light in air
so 2.16 = 3 x 10^8 / v
v = 1.39 x 10^8 m/s
hope this helps
Refractive index = ratio of speed of light in vacuum to speed of light in medium
n = c/v
c = speed of light in vacuum
v = speed of light in medium
so Refractive Index of Cubic Zirconia / Refractive Index of air = speed of light in cubic zirconia / speed of light in air
so 2.16 = 3 x 10^8 / v
v = 1.39 x 10^8 m/s

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#4
(Original post by Kimberley_P)
I typed the answer but its still wrong. and also the answer section has no m/s as a unit
I typed the answer but its still wrong. and also the answer section has no m/s as a unit
So Refractive Index of Cubic Zirconia / Refractive Index of air = speed of light in cubic zirconia / speed of light in air = 1/2.16 = 0.463 no units!
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(Original post by golgiapparatus31)
Oh! They are asking the fraction! It is simply the ratio of refractive index!
So Refractive Index of Cubic Zirconia / Refractive Index of air = speed of light in cubic zirconia / speed of light in air = 1/2.16 = 0.463 no units!
Oh! They are asking the fraction! It is simply the ratio of refractive index!
So Refractive Index of Cubic Zirconia / Refractive Index of air = speed of light in cubic zirconia / speed of light in air = 1/2.16 = 0.463 no units!
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#7
sin c = 1/1.51
c = 41.5
critical angle is 41.5, there is no refraction
so 0
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#10
assuming it's this page https://isaacphysics.org/questions/ch_d_p8
the instructions tell you to enter 99 with 'none' as units if refraction is impossible
always read the instructions carefully
the instructions tell you to enter 99 with 'none' as units if refraction is impossible
always read the instructions carefully

Last edited by Joinedup; 2 years ago
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#11
(Original post by Joinedup)
assuming it's this page https://isaacphysics.org/questions/ch_d_p8
the instructions tell you to enter 99 with 'none' as units if refraction is impossible
always read the instructions carefully
assuming it's this page https://isaacphysics.org/questions/ch_d_p8
the instructions tell you to enter 99 with 'none' as units if refraction is impossible
always read the instructions carefully


tysm
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(Original post by Joinedup)
assuming it's this page https://isaacphysics.org/questions/ch_d_p8
the instructions tell you to enter 99 with 'none' as units if refraction is impossible
always read the instructions carefully
assuming it's this page https://isaacphysics.org/questions/ch_d_p8
the instructions tell you to enter 99 with 'none' as units if refraction is impossible
always read the instructions carefully

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