Answers26-27 IC Physics 7614BWave Interactions

Reflection and Refraction Answers

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Which are characteristics of a ray when it hits a boundary and refracts, but not when it hits the boundary and reflects? Check all that apply.changes direction changes speeddoes not change directiondoes not change speed bounces off the boundarypasses through the boundary

A
changes direction
B
changes speed
C
does not change direction
D
does not change speed
E
bounces off the boundary
F
passes through the boundary
2
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A ray diagram is shown.

Question illustration
A
It shows an incident ray.
B
It shows that the ray is changing direction.
C
It shows the ray passing through the boundary.
D
It shows that angles form between the rays and the normal.
3

Kayla drew two ray diagrams to compare the behavior of light rays.

Question illustration
A
Diagram X shows reflection, and diagram Y shows refraction from a less dense to a denser medium.
B
Diagram X shows refraction from a less dense to a denser medium, and diagram Y shows reflection.
C
Diagram X shows reflection, and diagram Y shows refraction from a denser to a less dense medium.
D
Diagram X shows refraction from a denser to a less dense medium, and diagram Y shows reflection.
4

Rays of light strike a bumpy road and are reflected.

A
They will not follow the law of reflection.
B
Each will reflect at the exact same angle of reflection.
C
They will all travel in the same direction.
D
Each will reflect at an angle equal to its angle of incidence.
5

A ray diagram is shown.

Question illustration
A
The diagram shows refraction, and medium 1 is denser than medium 2.
B
The diagram shows refraction, and medium 1 is less dense than medium 2.
C
The diagram shows reflection, and medium 1 is less dense than medium 2.
D
The diagram shows reflection, and medium 1 is denser than medium 2.
6

Which best describes reflection and refraction?

A
In both reflection and refraction, rays pass through a boundary.
B
In both reflection and refraction, rays pass through a boundary.
C
In both reflection and refraction, rays bounce off a boundary.
D
In both reflection and refraction, rays bounce off a boundary.
E
In reflection, rays bounce off a boundary, and in refraction, rays pass through a boundary.
F
In reflection, rays bounce off a boundary, and in refraction, rays pass through a boundary.
G
In refraction, rays bounce off a boundary, and in reflection, rays pass through a boundary.
H
In refraction, rays bounce off a boundary, and in reflection, rays pass through a boundary.
7

An incident light ray strikes water at an angle of 20 degrees. The index of refraction of air is 1.0003, and the index of refraction of water is 1.33.The angle of refraction rounded to the nearest whole number is °.

Answer not available
8

A ray diagram is shown.

Question illustration
A
angle of incidence
B
angle of reflection
C
normal
D
medium
9

greater than 45 degrees eachless than 45 degrees eachequal in measuredifferent in measure

A
greater than 45 degrees each
B
less than 45 degrees each
C
equal in measure
D
different in measure
10

A ray diagram is shown.

Question illustration
A
index of refraction
B
index of reflection
C
angle of incidence
D
angle of refraction

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Reflection and Refraction Answers — 26-27 IC…