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Questions and Answers
Which of the following best describes total internal reflection of light?
Which of the following best describes total internal reflection of light?
- The reflection of light at an angle greater than the critical angle when it encounters a boundary between two media (correct)
- The scattering of light in all directions when it encounters an uneven surface
- The reflection of light off a smooth surface at the same angle it hits the surface
- The bending of light as it passes through a medium with different refractive indices
What happens to light when it undergoes total internal reflection?
What happens to light when it undergoes total internal reflection?
- It is reflected back into the same medium at an angle greater than the critical angle (correct)
- It is transmitted through the medium
- It is reflected off the medium at the same angle it hits the medium
- It is absorbed by the medium
Under what conditions does total internal reflection occur?
Under what conditions does total internal reflection occur?
- When light encounters a boundary between two media and the angle of incidence is greater than the critical angle (correct)
- When light encounters a boundary between two media and the angle of incidence is less than the critical angle
- When light passes from a medium with a lower refractive index to a medium with a higher refractive index
- When light passes from a medium with a higher refractive index to a medium with a lower refractive index
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