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- 1. Multiple Choice
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
State the name given to the change in direction of the signal at A
total internal reflection
reflection
dispirsion
refraction
- 3. Multiple Choice
State the name given to the change in direction of the signal at B
Total internal reflection
reflection
dispirsion
refraction
- 4. Multiple Choice
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
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
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
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
- 8. Multiple Choice
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 60o
refract
totally internally reflect
travel along the boundary
- 9. Multiple Choice
A ray of light travels from glass to air with an angle of incidence of 35o. If the critical angle is 42o what will happen at the boundary?
refract
totally internally reflect
travel along the boundary
reflect
- 10. Multiple Choice
A ray of light travels from air to glass with an angle of incidence of 45o. If the critical angle is 42o what will happen at the boundary?
refract
totally internally reflect
travel along the boundary
reflect
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