total internal reflection
Quiz
•
Physics
•
4th Grade
•
Medium
ASWATI Moe
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15 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What happens to light during total internal reflection?
The light reflects back into the original medium at the same angle.
The light refracts closer to the normal line.
The light refracts farther away from the normal line.
The light reflects at the angle it would have refracted at.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
When angle of incident (i) equals to critical angle (c) if light is traveled from a denser medium to a less dense medium,
total internal reflection occurs.
angle of refraction is equal to 90 degree.
light is refracted out
light travel in straight line
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is total internal reflection
Where a wave is refracted at the boundary between a dense medium and a less dense medium when the angle of incidence is greater than the critical angle.
Where a wave is refracted at the boundary between a dense medium and a less dense medium when the angle of incidence is smaller than the critical angle.
Where a wave is reflected at the boundary between a dense medium and a less dense medium when the angle of incidence is greater than the critical angle.
Where a wave is reflected at the boundary between a dense medium and a less dense medium when the angle of incidence is smaller than the critical angle.
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
When will total internal reflection occur?
When light travels from a less dense to a more dense medium
When the angle of incidence is smaller than the critical angle
When the angle of incidence is greater than the critical angle
When the light cannot pass through a medium
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
When the angle of refraction is 90 the angle of incidence is called the...
Angle of incidence
Critical angle
Angle of total internal reflection
Angle of refraction
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For total internal reflection to occur, light must
travel from a more dense to a less dense medium
travel from a less dense to a more dense medium
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Fiber optic cables work because of the principle of _____.
total internal refraction
incomplete internal refraction
total internal reflection
partial internal reflection
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