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Transverse wave
- Mathematics and experiments show that light is a transverse wave – the electric and magnetic field vectors point in directions that are perpendicular to the direction of motion of the light wave (and as it turns out, they also rare always perpendicular to each other).
They discovered that light from any source, whether a candle or a star, is composed of a combination of wavelengths depending on what atoms and molecules are emitting the light. This science (spectroscopy) allows astronomers to determine what elements must be present on the surface of a given star.
Light, visible light, or visible radiation is electromagnetic radiation that can be perceived by the human eye. [1] Visible light spans the visible spectrum and is usually defined as having wavelengths in the range of 400–700 nanometres (nm), corresponding to frequencies of 750–420 terahertz.
Light is called an 'electromagnetic wave' for historical reasons* in the following sense: It turned out that the effects of visible light and other radiation can be calculated using Maxwell's equations, which are also used to model the behaviour of electrically charged particles. This was an instant of a successful unification and it hasn't ...
Published: October 25, 2021 at 10:00 am. Is light a wave or a particle? Neither: light is its own unique phenomenon – the outcome of an interaction between electrical and magnetic fields – and it behaves like both waves and particles. Most of us were taught at school that light is a wave. This is because it does things that waves do.
Solution. Light has dual nature , it is considered as a particle nature and as well as wave nature …. Some phenomenon of light is explained by its particle nature ,e.g reflection, refraction and some by its wave nature, e.g diffraction, polarization etc…
Einstein had a great explanation for this peculiar observation. He hypothesised light is made of particles, and is in fact not a wave. He then linked the intensity of light to the number of...
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Why is light called an 'electromagnetic wave'?
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Dec 28, 2020 · In plain terms, electromagnetic waves are simply known as light, though the term light is sometimes used to specify visible light (that which can be detected by the eye), and other times is used more generally to refer to all forms of electromagnetic radiation.
