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Wave theory cannot fully explain the photoelectric effect, as it predicted that the intensity of light, not its frequency, would determine the kinetic energy of ejected electrons. The photoelectric effect is better explained by the particle nature of light, where photons carry discrete amounts of energy that are transferred to electrons upon impact, leading to their ejection from a material.
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Why can't the wave model cannot explain the photoelectric effect?
The wave model cannot explain the photoelectric effect because it assumes that energy is transferred continuously, while the photoelectric effect shows that electrons are emitted instantaneously when light of a certain frequency hits a material. This is better explained by the particle nature of light, as described by the photon theory.
What is the difference between particle and wave theory of light?
Particle theory of light, proposed by Isaac Newton, views light as composed of discrete particles called photons. Wave theory of light, formulated by Thomas Young, describes light as a wave propagating through a medium. The wave theory better explains phenomena like interference and diffraction, while the particle theory accounts for aspects such as the photoelectric effect.
Why does classical physics fail to explain the photoelectric effect?
Classical physics fails to explain the photoelectric effect because it is based on the wave theory of light, which predicts that the energy of a wave is proportional to its intensity. However, the photoelectric effect shows that the energy of ejected electrons is dependent on the frequency of light, not its intensity, as predicted by quantum theory.
What phenomenon cannot be explained on the basis of the wave theory of light?
The phenomenon of photoelectric effect cannot be explained on the basis of the wave theory of light. The wave theory predicts that the energy of a light wave is proportional to its intensity, whereas the photoelectric effect depends on the frequency of light.
What does not support the wave nature of light?
The photoelectric effect does not support the wave nature of light. This phenomenon can only be explained by the particle nature of light, as described by Albert Einstein in his theory of photons.
Why can't the wave model cannot explain the photoelectric effect?
The wave model cannot explain the photoelectric effect because it assumes that energy is transferred continuously, while the photoelectric effect shows that electrons are emitted instantaneously when light of a certain frequency hits a material. This is better explained by the particle nature of light, as described by the photon theory.
What is the difference between particle and wave theory of light?
Particle theory of light, proposed by Isaac Newton, views light as composed of discrete particles called photons. Wave theory of light, formulated by Thomas Young, describes light as a wave propagating through a medium. The wave theory better explains phenomena like interference and diffraction, while the particle theory accounts for aspects such as the photoelectric effect.
Why does classical physics fail to explain the photoelectric effect?
Classical physics fails to explain the photoelectric effect because it is based on the wave theory of light, which predicts that the energy of a wave is proportional to its intensity. However, the photoelectric effect shows that the energy of ejected electrons is dependent on the frequency of light, not its intensity, as predicted by quantum theory.
What phenomenon cannot be explained on the basis of the wave theory of light?
The phenomenon of photoelectric effect cannot be explained on the basis of the wave theory of light. The wave theory predicts that the energy of a light wave is proportional to its intensity, whereas the photoelectric effect depends on the frequency of light.
What does not support the wave nature of light?
The photoelectric effect does not support the wave nature of light. This phenomenon can only be explained by the particle nature of light, as described by Albert Einstein in his theory of photons.
What is the effect of wave nature of light on photoelectric effect?
The wave nature of light helps explain the phenomenon of interference observed in the photoelectric effect. When light waves interact with a material, interference can either enhance or diminish the ability of photons to eject electrons. This interference phenomenon is a key aspect of understanding the photoelectric effect.
Limitations of Huygen's wave theory of light?
Huygens' wave theory of light cannot explain phenomena like polarization and interference accurately. It also fails to predict some experimental observations, such as the photoelectric effect. Additionally, the theory could not fully account for the speed of light in a vacuum.
Can classical physics explain the photoelectric effect?
No. To explain the photoelectric effect, you have to think of light as a particle, not a wave. The fact that light can be both a wave and a particle is part of quantum mechanics, not classical physics.
What did Einstein two papers explain?
Einstein's two papers explained the theory of special relativity and the photoelectric effect. The paper on special relativity introduced the concept of space-time and the relationship between space and time, while the paper on the photoelectric effect explained how light behaves as both a wave and a particle.
Which observation provided Albert Einstein the clue that he needed to explain the photoelectric effect?
Einstein was inspired by the fact that increasing the intensity of light did not increase the kinetic energy of ejected electrons in the photoelectric effect. This inconsistency with classical wave theory helped him propose that light consisted of discrete packets of energy called photons.
Which cannot be explained with wave theory of light?
Wave-particle duality, which suggests that light sometimes behaves like a wave and other times like a particle, cannot be fully explained by the wave theory of light. The photoelectric effect and Compton effect also challenge pure wave theory by demonstrating particle-like behavior of light.
Is there any importance in photoelectric effect?
One of the most revolutionary concepts in physics is the photoelectric effect. The photoelectric effect occurs when radiant energy is impinged on various metals and electrons are ejected from the metal surface. The ejected photoelectrons have a certain kinetic energy which can be measured by the produced voltage. Photoelectric current cannot be explained by the wave theory as diffraction and interference can, however. The photoelectric effect is important because it revealed some of the limitations of the classical wave theory and it gave closer insight into the nature of light- namely the quantization as photons.
