Podcast
Questions and Answers
What is total internal reflection (TIR)?
What is total internal reflection (TIR)?
- When waves arriving at the interface from one medium to another are absorbed by the second medium
- When waves arriving at the interface from one medium to another are refracted into the second medium
- When waves arriving at the interface from one medium to another are completely reflected back into the first medium (correct)
- When waves arriving at the interface from one medium to another are scattered in different directions
In which scenario does total internal reflection occur?
In which scenario does total internal reflection occur?
- When the first medium has a higher wave speed than the second medium
- When the second medium has a higher wave speed than the first medium (correct)
- When the refractive index of both media is the same
- When the second medium has a lower wave speed than the first medium
What types of waves can exhibit total internal reflection?
What types of waves can exhibit total internal reflection?
- Sound waves and water waves only
- Electromagnetic waves and water waves only
- Electromagnetic waves and sound waves only
- Electromagnetic waves, sound waves, and water waves (correct)
When does total internal reflection tend to be described in terms of 'rays' rather than waves?
When does total internal reflection tend to be described in terms of 'rays' rather than waves?
In what type of medium is the reflection tends to be described in terms of 'rays' rather than waves?
In what type of medium is the reflection tends to be described in terms of 'rays' rather than waves?