Total Internal Reflection Critical Angle
Quiz
•
Physics
•
9th Grade
•
Medium
Standards-aligned
Lama Arrabi
Used 67+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 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.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
State the name given to the change in direction of the signal at A
total internal reflection
reflection
dispirsion
refraction
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
State the name given to the change in direction of the signal at B
Total internal reflection
reflection
dispirsion
refraction
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Give a reason why the signal changes direction at A
its a flat surface
the density of the glass is greater than the density of the air
the angle of incidence is more than 90 degrees
The density of the glass is less than the density of the air
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Choose the correct statement that describes what happens to the ray of light if the critical angle is 48o and the angle of incidence is 35o
refract
totally internally reflect
travel along the boundary
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Choose the correct statement that describes what happens to the ray of light if the critical angle is 48o and the angle of incidence is 48o
refract
totally internally reflect
travel along the boundary
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Choose the correct statement that describes what happens to the ray of light if the critical angle is 48o and the angle of incidence is 52o
refract
totally internally reflect
travel along the boundary
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