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Questions and Answers
What is the law of reflection?
What is the law of reflection?
- The angle at which the wave is incident on the surface depends on the medium
- The angle at which the wave is incident on the surface equals the angle at which it is reflected (correct)
- The angle at which the wave is incident on the surface is always 90 degrees
- The angle at which the wave is incident on the surface is double the angle at which it is reflected
What type of reflection occurs when a mirror provides a model for light reflection?
What type of reflection occurs when a mirror provides a model for light reflection?
- Specular reflection (correct)
- Diffuse reflection
- Absorption
- Refraction
In acoustics, what does reflection cause?
In acoustics, what does reflection cause?
- Diffraction
- Refraction
- Echoes (correct)
- Absorption
What is observed with surface waves in bodies of water?
What is observed with surface waves in bodies of water?
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What can be reflected at shallow angles with special 'grazing' mirrors?
What can be reflected at shallow angles with special 'grazing' mirrors?
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Study Notes
The Law of Reflection
- The law of reflection states that the angle of incidence is equal to the angle of reflection.
Types of Reflection
- Specular reflection occurs when a mirror provides a model for light reflection, resulting in a clear and undistorted image.
Acoustics and Reflection
- In acoustics, reflection causes echoes.
Surface Waves in Bodies of Water
- With surface waves in bodies of water, total reflection is observed, where the wave is completely reflected off the surface.
Grazing Mirrors
- X-rays can be reflected at shallow angles with special 'grazing' mirrors, allowing for the manipulation of X-ray beams.
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Description
Test your knowledge on the phenomenon of reflection, which is the change in direction of a wavefront at an interface between two different media. This quiz covers examples of reflection including light, sound, and water waves, as well as the law of reflection and its applications in various fields.
