Optics

  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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