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Max Kinetic Energy is the maximum energy that a photon can possess, which is a fundamental concept in physics, particularly in the study of light and its interactions with matter. Check FAQs
Kmax=[hP]⋅vphoton-ϕ
Kmax - Max Kinetic Energy?vphoton - Frequency of Photon?ϕ - Work Function?[hP] - Planck constant?

Maximum Kinetic Energy of Ejected Photo-Electron Example

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Here is how the Maximum Kinetic Energy of Ejected Photo-Electron equation looks like with Values.

Here is how the Maximum Kinetic Energy of Ejected Photo-Electron equation looks like with Units.

Here is how the Maximum Kinetic Energy of Ejected Photo-Electron equation looks like.

103.3667Edit=6.6E-34⋅1.6E+35Edit-9.4E-17Edit
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Maximum Kinetic Energy of Ejected Photo-Electron Solution

Follow our step by step solution on how to calculate Maximum Kinetic Energy of Ejected Photo-Electron?

FIRST Step Consider the formula
Kmax=[hP]⋅vphoton-ϕ
Next Step Substitute values of Variables
∴ Kmax=[hP]⋅1.6E+35Hz-9.4E-17J
Next Step Substitute values of Constants
∴ Kmax=6.6E-34⋅1.6E+35Hz-9.4E-17J
Next Step Prepare to Evaluate
∴ Kmax=6.6E-34⋅1.6E+35-9.4E-17
Next Step Evaluate
∴Kmax=103.366692624J
LAST Step Rounding Answer
∴Kmax=103.3667J

Maximum Kinetic Energy of Ejected Photo-Electron Formula Elements

Variables
Constants
Max Kinetic Energy
Max Kinetic Energy is the maximum energy that a photon can possess, which is a fundamental concept in physics, particularly in the study of light and its interactions with matter.
Symbol: Kmax
Measurement: EnergyUnit: J
Note: Value can be positive or negative.
Formulas to find Max Kinetic EnergyOpen Variable
Frequency of Photon
Frequency of Photon is the number of oscillations or cycles of a photon per second, characterizing the energy of the photon in an electromagnetic wave.
Symbol: vphoton
Measurement: FrequencyUnit: Hz
Note: Value can be positive or negative.
Formulas to find Frequency of PhotonOpen Variable
Work Function
Work Function is the minimum energy required to remove an electron from a solid, typically a metal, to a point outside the solid, at a given temperature and pressure.
Symbol: ϕ
Measurement: EnergyUnit: J
Note: Value can be positive or negative.
Formulas to find Work FunctionOpen Variable
Planck constant
Planck constant is a fundamental universal constant that defines the quantum nature of energy and relates the energy of a photon to its frequency.
Symbol: [hP]
Value: 6.626070040E-34

Other Formulas to find Max Kinetic Energy

​Go Photon's Energy using Frequency
Kmax=[hP]⋅vphoton

Other formulas in Photoelectric Effect category

​Go Photon's Energy using Wavelength
E=[hP]⋅[c]λ
​Go Photon's Momentum using Wavelength
p=[hP]λ
​Go Photon's Momentum using Energy
p=E[c]
​Go Threshold Frequency in Photoelectric Effect
v0=ϕ[hP]

How to Evaluate Maximum Kinetic Energy of Ejected Photo-Electron?

Maximum Kinetic Energy of Ejected Photo-Electron evaluator uses Max Kinetic Energy = [hP]*Frequency of Photon-Work Function to evaluate the Max Kinetic Energy, Maximum Kinetic Energy of Ejected Photo-Electron formula is defined as the maximum energy attained by an electron when it is ejected from a metal surface due to the absorption of a photon, which is a fundamental concept in understanding the photoelectric effect and its applications in various fields of physics. Max Kinetic Energy is denoted by Kmax symbol.

How to evaluate Maximum Kinetic Energy of Ejected Photo-Electron using this online evaluator? To use this online evaluator for Maximum Kinetic Energy of Ejected Photo-Electron, enter Frequency of Photon (vphoton) & Work Function (ϕ) and hit the calculate button.

FAQs on Maximum Kinetic Energy of Ejected Photo-Electron

What is the formula to find Maximum Kinetic Energy of Ejected Photo-Electron?
The formula of Maximum Kinetic Energy of Ejected Photo-Electron is expressed as Max Kinetic Energy = [hP]*Frequency of Photon-Work Function. Here is an example- 103.3667 = [hP]*1.56E+35-9.4E-17.
How to calculate Maximum Kinetic Energy of Ejected Photo-Electron?
With Frequency of Photon (vphoton) & Work Function (ϕ) we can find Maximum Kinetic Energy of Ejected Photo-Electron using the formula - Max Kinetic Energy = [hP]*Frequency of Photon-Work Function. This formula also uses Planck constant .
What are the other ways to Calculate Max Kinetic Energy?
Here are the different ways to Calculate Max Kinetic Energy-
  • Max Kinetic Energy=[hP]*Frequency of PhotonOpenImg
Can the Maximum Kinetic Energy of Ejected Photo-Electron be negative?
Yes, the Maximum Kinetic Energy of Ejected Photo-Electron, measured in Energy can be negative.
Which unit is used to measure Maximum Kinetic Energy of Ejected Photo-Electron?
Maximum Kinetic Energy of Ejected Photo-Electron is usually measured using the Joule[J] for Energy. Kilojoule[J], Gigajoule[J], Megajoule[J] are the few other units in which Maximum Kinetic Energy of Ejected Photo-Electron can be measured.
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