o What is the angle of incidence in glass Problem 1 Light travels from crown glass n152 into air n100 The angle of refraction in air is 60 o What is the angle of incidence in glass ID: 757512
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Slide1
Snells lawSlide2
Problem 1
Light travels from crown glass (n=1.52) into air (n=1.00). The angle of refraction in air is 60
o
. What is the angle of incidence in glass?Slide3
Problem 1
Light travels from crown glass (n=1.52) into air (n=1.00). The angle of refraction in air is 60
o
. What is the angle of incidence in glass?
Slide4
Problem 2
Light travels from crown glass (n=1.52) into water (n=1.33). The angle incidence in crown glass is 40
o
. What is the angle of refraction in water?Slide5
Problem 2
Light travels from crown glass (n=1.52) into water (n=1.33). The angle incidence in crown glass is 40
o
. What is the angle of refraction in water?Slide6
Problem 3
If the index of refraction for diamond is 2.42, what will be the angle of refraction in diamond for an angle of incidence, in water, of 60
o
?Slide7
Problem 3
If the index of refraction for diamond is 2.42, what will be the angle of refraction in diamond for an angle of incidence, in water, of 60
o
?Slide8
Problem 4
A ray of light in air (n=1.00) strikes a block of quartz at an angle of incidence of 30
o
. The angle of refraction of refraction is 20
o
. What is the index of refraction of the quartz?Slide9
Problem 4
A ray of light in air (n=1.00) strikes a block of quartz at an angle of incidence of 30
o
. The angle of refraction of refraction is 20
o
. What is the index of refraction of the quartz
? Slide10
Problem 5
Light travels from air (n=1.00) into water (n=1.33). If the angle of refraction is 30
o
, what is the angle of incidence?
Slide11
Problem 5
Light travels from air (n=1.00) into water (n=1.33). If the angle of refraction is 30
o
, what is the angle of incidence?
Slide12
Problem 6
A ray of light passes from air (n=1.00) into water (n=1.33) at an angle of incidence of 50
o
. What is the angle of refraction
?Slide13
Problem 6
A ray of light passes from air (n=1.00) into water (n=1.33) at an angle of incidence of 50
o
. What is the angle of refraction
?Slide14
Problem 7
One ray of light in air (n=1.00) strikes a diamond (n=2.42) and another strikes a piece of fused quartz (n=1.46), in each case at an angle of incidence of 40
o
. What is the difference between the angles of refraction?Slide15
Problem 7
One ray of light in air (n=1.00) strikes a diamond (n=2.42) and another strikes a piece of fused quartz (n=1.46), in each case at an angle of incidence of 40
o
. What is the difference between the angles of refraction?
26 – 15 = 11
oSlide16
A light ray travelling through air has an angle of 39
o
. The light then enters into another medium at an angle of 28
o
.
On the diagram below draw how light travels through the air into the unknown medium. (Use a protractor to help you do this question). Slide17
A light ray travelling through air has an angle of 39
o
. The light then enters into another medium at an angle of 28
o
.
On the diagram below draw how light travels through the air into the unknown medium. (Use a protractor to help you do this question).
39
o
28
oSlide18
a. On
the diagram above label which medium is more dense and which is less dense.
the unknown medium is more dense because the angle of refraction
is smaller.
b. Calculate the index of refraction for the unknown medium.
c. What
is the unknown medium
? Water with sugar (
10%
Glucose
solution in
water)Slide19
Problem 9
A ray of light strikes a block of polyethylene (n=1.50) with angles of incidence of
(a) 0
o
(b) 30
o (c) 60
o. Determine the angle of refraction in each case.Slide20
Problem 9
A ray of light strikes a block of polyethylene (n=1.50) with angles of incidence of
(a) 0
o
(b) 30
o (c) 60
o. Determine the angle of refraction in each case.Slide21
Problem 9
A ray of light strikes a block of polyethylene (n=1.50) with angles of incidence of
(a) 0
o
(b) 30
o (c) 60
o. Determine the angle of refraction in each case.