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Angle of refraction

  • Thread starter IBNU1
  • Start date
  • #1
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Homework Statement


Qsbpq9uJtSjjW9u02cfB15hCV8Ru_UDyGOr6EARDLDXQzEpUYeWlcg_XBTdwS863jFltmT7FF4b_iHfnRVnKXNREgjMZyCGo.png


I need to find how a ray of light will travel from the snail towards Andrews eye.
I need to find the angle of incidence and angle of refraction.
I know the index of refraction of both materials
Air: 1
Water 1.33

Homework Equations


Snells law
1.33 *sin(X) = sin(y)
x is angle of incidence
y is angle of refraction

The Attempt at a Solution


I only know how to solve these problems when I have a normal line
How do I find the normal line[/B]
 

Answers and Replies

  • #2
SammyS
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Homework Statement


[ IMG]https://lh5.googleusercontent.com/E9qs5R0LHbrwfQCP6mH3aMA9UCZuJxog36R5SqGCQsbpq9uJtSjjW9u02cfB15hCV8Ru_UDyGOr6EARDLDXQzEpUYeWlcg_XBTdwS863jFltmT7FF4b_iHfnRVnKXNREgjMZyCGo[/PLAIN]

I need to find how a ray of light will travel from the snail towards Andrews eye.
I need to find the angle of incidence and angle of refraction.
I know the index of refraction of both materials
Air: 1
Water 1.33

Homework Equations


Snells law
1.33 *sin(X) = sin(y)
x is angle of incidence
y is angle of refraction

The Attempt at a Solution


I only know how to solve these problems when I have a normal line
How do I find the normal line
Hello IBNU1. Welcome to PF .

Do you have any dimensions for this ?
 
  • #3
2
0
Hello IBNU1. Welcome to PF .

Do you have any dimensions for this ?
Sorry I forgot to include them
The depth of the water is 5m and the distance from his eye to the snail is 25 m
 
  • #4
SammyS
Staff Emeritus
Science Advisor
Homework Helper
Gold Member
11,256
974
Sorry I forgot to include them
The depth of the water is 5m and the distance from his eye to the snail is 25 m
I seems to me that you need to know more than that.
 

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