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Questions and Answers
Which phenomenon is responsible for the change in the direction of a wave passing from one medium to another?
Which phenomenon is responsible for the change in the direction of a wave passing from one medium to another?
- Refraction (correct)
- Diffraction
- Mirage
- Interference
What is the angle of incidence for a light ray with a zero reflection angle?
What is the angle of incidence for a light ray with a zero reflection angle?
- 180 degrees
- 0 degree (correct)
- 90 degrees
- 45 degrees
Through which phenomenon can light be focused on the retina?
Through which phenomenon can light be focused on the retina?
- Diffraction
- Mirage
- Refraction (correct)
- Interference
How is the speed of light in a vacuum represented?
How is the speed of light in a vacuum represented?
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Which type of mirror can be used to see a full-length image of a distant tall building?
Which type of mirror can be used to see a full-length image of a distant tall building?
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Study Notes
Refraction and Mirrors
- Refraction is the phenomenon responsible for the change in direction of a wave passing from one medium to another.
- When a light ray has a zero reflection angle, the angle of incidence is 0°.
- Light can be focused on the retina through the phenomenon of refraction.
- The speed of light in a vacuum is represented by the letter c.
- A concave mirror can be used to see a full-length image of a distant tall building.
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