# Calculating threshold frequency for sodium

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• Photoelectric work function, Threshold frequency and Threshold Wavelength
• PHOTO ELECTRIC EFFECTTHRESHOLD FREQUENCYWORK FUNCTIONSTOPPING POTENTIAL
• How to calculate the kinetic energy, energy and frequency CHEMISTRY COMMUNITY
• Photoelectric effect (article) Photons Khan Academy

• Threshold frequency is the minimum frequency of light that, when To calculate this, you will need the energy of the light incident on the. Watch the video solution for the question: What is the threshold frequency for to the energy of the photon (Ephoton) hitting the metal surface by this equation.

The Photoelectric Effect- work function, threshold frequency, electron, Plank constant, photoelectron, photon. frequency) is shone on metals like zinc, this causes electrons to escape from the zinc.

The photoelectric equation involves.
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The precise shape of the surface of a metal will determine exactly where and how electrons move in the metal.

## Photoelectric work function, Threshold frequency and Threshold Wavelength

Therefore, the threshold frequency and work. We have related the ejected electron's kinetic energy to the frequency, but physicists prefer using wavelength instead of λ0: photoelectric threshold wavelength.

(a) For the electrons emitted from the sodium surface, calculate the following. function of a metal is 3 eV. calculate the threshold frequency for the metal. The photoelectric work function of platinum is eV and longest.

### PHOTO ELECTRIC EFFECTTHRESHOLD FREQUENCYWORK FUNCTIONSTOPPING POTENTIAL

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Video: Calculating threshold frequency for sodium CHEMISTRY 101: Photoelectric Effect, Threshold Frequency

Photons of threshold frequency would be described as which? Most importantly, the text book will present the information in a manner that benefits the student.

Calculating threshold frequency for sodium
Why do fires happen more in the summer than in the winter?

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## How to calculate the kinetic energy, energy and frequency CHEMISTRY COMMUNITY

The energy needed to release an electron from sodium metal is eV. (b) Calculate the threshold frequency of sodium and hence determine whether or not. The energy of a photon could be calculated using Planck's equation:. The frequency of red light (left) is less than the threshold frequency of this metal (ν . we need the energy of the photons to be greater than the work function of copper.

### Photoelectric effect (article) Photons Khan Academy

The equation to use is W(work function) + KE = h*f, where h is Planck's constant ( * 10^) and f is the frequency of light. KE is the kinetic.
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 SAO YUI VR PROBE Cancel Unsubscribe. Energy Levels - A-level Physics - Duration: Given a threshold frequency of 5. Skip navigation.The work function is how much energy the photon must have in order to accomplish this.

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