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Kinetic Energy of Photoelectrons Formula

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Kinetic Energy of Photon is the energy carried by a single photon. It is denoted by E. Check FAQs

KE photon = [hP] \cdot (ν photon - v 0)

KE_photon - Kinetic Energy of Photon?ν_photon - Frequency of Photon?v₀ - Threshold Frequency?[hP] - Planck constant?

Kinetic Energy of Photoelectrons Example

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Here is how the Kinetic Energy of Photoelectrons equation looks like with Values.

Here is how the Kinetic Energy of Photoelectrons equation looks like with Units.

Here is how the Kinetic Energy of Photoelectrons equation looks like.

4.8E-31 = 6.6E-34 \cdot (800 - 80)

4.8E-31J = 6.6E-34 \cdot (800Hz - 80Hz)

4.8E-31 = 6.6E-34 \cdot (800 - 80)

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Kinetic Energy of Photoelectrons Solution

Follow our step by step solution on how to calculate Kinetic Energy of Photoelectrons?

FIRST Step Consider the formula

KE photon = [hP] \cdot (ν photon - v 0)

Next Step Substitute values of Variables

∴

KE photon = [hP] \cdot (800Hz - 80Hz)

Next Step Substitute values of Constants

∴

KE photon = 6.6E-34 \cdot (800Hz - 80Hz)

Next Step Prepare to Evaluate

∴

KE photon = 6.6E-34 \cdot (800 - 80)

Next Step Evaluate

∴

KE photon = 4.7707704288E-31J

LAST Step Rounding Answer

∴

KE photon = 4.8E-31J

Kinetic Energy of Photoelectrons Formula Elements

Variables

Constants

Kinetic Energy of Photon

Kinetic Energy of Photon is the energy carried by a single photon. It is denoted by E.

Symbol: KE_photon

Measurement: EnergyUnit: J

Note: Value can be positive or negative.

Formulas to find Kinetic Energy of Photon

Frequency of Photon

The Frequency of Photon is defined as how many wavelengths a photon propagates each second.

Symbol: ν_photon

Measurement: FrequencyUnit: Hz

Note: Value can be positive or negative.

Formulas to find Frequency of Photon

Threshold Frequency

Threshold Frequency is defined as the minimum frequency of incident radiation below which the photoelectric emission is not possible completely.

Symbol: v₀

Measurement: FrequencyUnit: Hz

Note: Value can be positive or negative.

Formulas to find Threshold Frequency

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 in Photo Electric Effect category

Go Intensity of Light in Photo Electric Effect

I = \frac{n p}{A \cdot T photoelectric}

Go Energy of Photon in Photo Electric Effect

E photon_EEF = W + KE

Go Threshold Energy given Energy of Photon

W = E photon - KE

Go Threshold Frequency given Threshold Energy

v 0 = \frac{W}{[hP]}

How to Evaluate Kinetic Energy of Photoelectrons?

Kinetic Energy of Photoelectrons evaluator uses Kinetic Energy of Photon = [hP]*(Frequency of Photon-Threshold Frequency) to evaluate the Kinetic Energy of Photon, The Kinetic energy of photoelectrons is defined as kinetic energy consumed by a moving particle when it moves from one point to another. Kinetic Energy of Photon is denoted by KE_photon symbol.

How to evaluate Kinetic Energy of Photoelectrons using this online evaluator? To use this online evaluator for Kinetic Energy of Photoelectrons, enter Frequency of Photon (ν_photon) & Threshold Frequency (v₀) and hit the calculate button.

FAQs on Kinetic Energy of Photoelectrons

What is the formula to find Kinetic Energy of Photoelectrons?

The formula of Kinetic Energy of Photoelectrons is expressed as Kinetic Energy of Photon = [hP]*(Frequency of Photon-Threshold Frequency). Here is an example- 4.8E-31 = [hP]*(800-80).

How to calculate Kinetic Energy of Photoelectrons?

With Frequency of Photon (ν_photon) & Threshold Frequency (v₀) we can find Kinetic Energy of Photoelectrons using the formula - Kinetic Energy of Photon = [hP]*(Frequency of Photon-Threshold Frequency). This formula also uses Planck constant .

Can the Kinetic Energy of Photoelectrons be negative?

Yes, the Kinetic Energy of Photoelectrons, measured in Energy can be negative.

Which unit is used to measure Kinetic Energy of Photoelectrons?

Kinetic Energy of Photoelectrons is usually measured using the Joule[J] for Energy. Kilojoule[J], Gigajoule[J], Megajoule[J] are the few other units in which Kinetic Energy of Photoelectrons can be measured.

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Kinetic Energy of Photoelectrons Formula

Kinetic Energy of Photoelectrons Example

Kinetic Energy of Photoelectrons Solution

Kinetic Energy of Photoelectrons Formula Elements

Other formulas in Photo Electric Effect category

How to Evaluate Kinetic Energy of Photoelectrons?

FAQs on Kinetic Energy of Photoelectrons

Variable Name