Mixed

How is the photoelectric effect evidence for the particle nature of light?

How is the photoelectric effect evidence for the particle nature of light?

The photoelectric effect proves that light has particle-like activity. The photoelectric effect happens when photons are shone on metal and electrons are ejected from the surface of that metal. The electrons that are ejected are determined by the wavelength of light which determines the energy of photons.

What provides evidence for the particulate nature of electromagnetic radiation?

[3] (b) The photoelectric effect provides evidence for the particulate nature of electromagnetic radiation. State three experimental observations that support this conclusion.

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What were the two main evidence of particle nature of electromagnetic radiation?

Evidence for the particle nature of light In physics textbooks two phenomena are usually quoted demonstrating the particle nature of light: 1) the photoelectric effect and 2) the Compton scattering of X-rays.

Does the photoelectric effect prove that light is a wave?

Photoelectric effect occurs when a high energy photon (light particle) strikes a metal surface and an electron is ejected while the photon disappears. This shows that light can be a particle AND a wave.

How did Einstein’s photoelectric effect prove that light has a wave particle duality?

Einstein explained the photoelectric effect by describing light as composed of discrete particles. Study of the photoelectric effect led to important steps in understanding the quantum nature of light and electrons, which would eventually lead to the concept of wave-particle duality.

Which one is the evidence for the particle nature of light?

The photoelectric effect
Quantum view of light: The photoelectric effect introduced evidence that light exhibited particle properties on the quantum scale of atoms.

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What is photoelectric effect explain?

photoelectric effect, phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation. The effect is often defined as the ejection of electrons from a metal plate when light falls on it.

How does the photoelectric effect prove wave particle duality?

The energy of the emitted electrons depends only on the frequency of the incident light, and not on the light intensity. Study of the photoelectric effect led to important steps in understanding the quantum nature of light and electrons, which would eventually lead to the concept of wave-particle duality.