Refraction
AP Physics 2 · Flashcards · Application
AP PHYSICS 2 · FLASHCARDS
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QUESTION
Find the angle of refraction for light moving from air to water at
45
o
45^\text{o}
4
5
o
. (
n
water
=
1.33
n_{\text{water}}=1.33
n
water
=
1.33
)
QUESTION
Find the critical angle for water-air interface with
n
water
=
1.33
n_{\text{water}} = 1.33
n
water
=
1.33
.
QUESTION
Calculate the wavelength in glass (
n
=
1.5
n=1.5
n
=
1.5
) if
wavelength in air
=
600
nm
\text{wavelength in air} = 600 \text{nm}
wavelength in air
=
600
nm
.
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ANSWER
Wavelength in glass
=
600
nm
1.5
\text{Wavelength in glass} = \frac{600 \text{nm}}{1.5}
Wavelength in glass
=
1.5
600
nm
. Wavelength scales inversely with refractive index.
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