Optics
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Speed of light
The speed of light in a vacuum is an important physical constant whose value is approximately 300 million meters per…
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solar plants
Solar plants use concave mirrors to focus sunlight in order to vaporize water and thus turn turbines, which generates electricity.…
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Theories about the nature of light
Newton’s works in the field of mechanics were very important, as were the studies and theories he developed in the…
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mirror translation
We know that plane mirrors are objects that allow us to see images formed by them. We can see that…
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shadow and twilight
Shadow and penumbra arise when a screen is placed in front of an extended source of light. The shadow and…
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optical systems
The human eye and the magnifying glass are examples of optical systems. According to Optical Physics, we can characterize…
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Rotation of a plane mirror
The figure above shows the experiment used by Henry Cavendish to determine the constant of universal gravitation (G). We must remember that…
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atmospheric refraction
The phenomenon of atmospheric refraction happens when we see the Moon or the Sun, which are very close to the…
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refraction of light
Refraction of light is a phenomenon that occurs in electromagnetic waves that are transmitted through some translucent or transparent medium. When light penetrates refractive…
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total light reflection
Total light reflection is an optical phenomenon that occurs when light strikes a surface at the limiting angle L and…
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