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What two experiments involving light and matter could not be explained by the wave theory of light?
In the days before quantum mechanics there was discussion whether light was a particle or wave. The problem was that neither one could explain all phenomena completely. For example, the particle theory couldn't not account for interference patterns that can be made with light, but the wave theory could not account for the photo-electric effect. In this effect a photon (a light particle) deposits energy into a metal causing the metal to eject an electron. The puzzling thing was that increasing the intensity of the light did not increase the kinetic energy of the ejected electrons, only the amount of such ejected electrons. The photo-electric effect was finally tackled by Albert Einstein (for which he won the Nobel Prize in 1921), and light is now regarded as consisting of 'wave-packets' with photons have a unintuitive wave-particle duality.
What is De broglie's theory?
De Broglie's theory, proposed by physicist Louis de Broglie in 1924, states that particles, such as electrons, can exhibit both wave-like and particle-like properties. It suggests that all matter, including particles like electrons, can have wave characteristics with a wavelength inversely proportional to its momentum. This concept is known as wave-particle duality.
What is the relationship between energy and the speed of light?
E= hc/x
What wavelength ultraviolet light is best for viewing fluorescent minerals?
Short-wave ultraviolet light (UV-C, 100-280 nm) is best for viewing fluorescent minerals, as it provides the most intense fluorescence. Medium-wave ultraviolet light (UV-B, 280-315 nm) can also be used, but the fluorescence will be less intense. Long-wave ultraviolet light (UV-A, 315-400 nm) is not ideal for viewing fluorescent minerals as it may not excite the fluorescence as effectively.
Why can light be treated like a particle?
Light comes in chunks of energy called photons.
Who discovered wave theory of light?
The wave theory of light was developed by Christian Huygens in the 17th century. He proposed that light propagates as a wave rather than a particle. This theory later contributed to the understanding of the nature of light.
Wave theory of light was advocated by?
christian huygens
What was Christiaan Huygens' wave theory of light?
Christian Huygens' was one of the first to suggest that light was a wave. His theory, the wave theory of light, stated this, it was opposed by Newton's idea that light was a particle. More recently, scientists such as Thomas Young and Max Planck proved this theory with experiments. So, simply put, the wave theory states that light is a wave, which, as far as we know, is correct.
Why was huygens theory of light rejected?
Huygens' theory of light was rejected because it couldn't explain certain phenomena, like diffraction and polarization, which Newton's corpuscular theory could. It also failed to accurately predict the speed of light in different media. However, Huygens' wave theory made a comeback later and is now a fundamental principle in understanding the behavior of light.
Who invented wave theory of light?
The wave theory of light was proposed by Christian Huygens in the 17th century. He suggested that light travels in the form of waves rather than particles, which was later supported by the experiments of Thomas Young and Augustin-Jean Fresnel in the 19th century.
What has the author Bevan B Baker written?
Bevan B. Baker has written: 'The mathematical theory of Huygens' principle' -- subject(s): Diffraction, Wave theory of Light
Enumerate the theories of nature of light?
Wave theory - light is a type of electromagnetic wave proposed by scientists like Maxwell and Huygens. Particle theory - light consists of particles called photons, advocated by scientists like Einstein and Planck. Wave-particle duality - the concept that light exhibits both wave-like and particle-like behavior, proposed by quantum mechanics.
Who first propose particle theory of light?
The particle theory of light was first proposed by Sir Isaac Newton in the 17th century. He suggested that light is made up of tiny particles called corpuscles. This theory was later challenged by the wave theory of light proposed by Christian Huygens.
Christian huygens contribution in the field of physics?
a.) Wave Theory of Light b.) Pendulum Clock a.1) In 1678 the great Dutch physicist Christian Huygens (1629-1695) wrote a treatise called Traite de la Lumiere on the wave theory of light, and in this work he stated that the wavefront of a propagating wave of light at any instant conforms to the envelope of spherical wavelets emanating from every point on the wavefront at the prior instant (with the understanding that the wavelets have the same speed as the overall wave) b.1) •He invented the pendulum clock that descends new improvements in some new inventions right now like our mechanical clocks,etc. Hope it Helps! :)
Who presented the light also have frequency wavelengtg and wave speed?
Christian Huygens
Who discovered light can move?
Christiaan Huygens and Isaac Newton were both responsible for the knowledge we have today on the motion of light. Huygens proposed his wave theory for light's motion and Newton proposed the particle theory in the 17th century. It is accepted today that light moves in both wave form and particle form at once.
When was velocity of a wave derived?
In order to find the velocity of a wave - you must know a few variables. The first variable that must be known is the wave-length, literally the length of said wave - and the second is the frequency often notated in Hz. Simply multiplying the frequency by the wavelength will create an answer.
