Physics, 01.10.2021 20:50 diamonds5307
A beam of light created by a concave mirror occurs when:
- a light source is placed exactly at the focal point.
- the angle of incidence is equal to the angle of reflection.
- light rays are perpendicular to the optical axis.
Answers: 3
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A beam of light created by a concave mirror occurs when:
- a light source is placed exactly at the...
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