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Threshold Frequency in Photoelectric Effect Formula

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Threshold Frequency is the minimum frequency of light that is required to eject electrons from a metal surface, and it is a characteristic of the metal that varies from one metal to another. Check FAQs

v 0 = \frac{ϕ}{[hP]}

v₀ - Threshold Frequency?ϕ - Work Function?[hP] - Planck constant?

Threshold Frequency in Photoelectric Effect Example

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Here is how the Threshold Frequency in Photoelectric Effect equation looks like with Values.

Here is how the Threshold Frequency in Photoelectric Effect equation looks like with Units.

Here is how the Threshold Frequency in Photoelectric Effect equation looks like.

1.4E+17 = \frac{9.4E-17}{6.6E-34}

1.4E+17Hz = \frac{9.4E-17J}{6.6E-34}

1.4E+17 = \frac{9.4E-17}{6.6E-34}

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Threshold Frequency in Photoelectric Effect Solution

Follow our step by step solution on how to calculate Threshold Frequency in Photoelectric Effect?

FIRST Step Consider the formula

v 0 = \frac{ϕ}{[hP]}

Next Step Substitute values of Variables

∴

v 0 = \frac{9.4E-17J}{[hP]}

Next Step Substitute values of Constants

∴

v 0 = \frac{9.4E-17J}{6.6E-34}

Next Step Prepare to Evaluate

∴

v 0 = \frac{9.4E-17}{6.6E-34}

Next Step Evaluate

∴

v 0 = 1.41863879241458E+17Hz

LAST Step Rounding Answer

∴

v 0 = 1.4E+17Hz

Threshold Frequency in Photoelectric Effect Formula Elements

Variables

Constants

Threshold Frequency

Threshold Frequency is the minimum frequency of light that is required to eject electrons from a metal surface, and it is a characteristic of the metal that varies from one metal to another.

Symbol: v₀

Measurement: FrequencyUnit: Hz

Note: Value can be positive or negative.

Formulas to find Threshold Frequency

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 Function

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 Photoelectric Effect category

Go Photon's Energy using Frequency

K max = [hP] \cdot v photon

Go Photon's Energy using Wavelength

E = \frac{[hP] \cdot [c]}{λ}

Go Photon's Momentum using Wavelength

p = \frac{[hP]}{λ}

Go Photon's Momentum using Energy

p = \frac{E}{[c]}

How to Evaluate Threshold Frequency in Photoelectric Effect?

Threshold Frequency in Photoelectric Effect evaluator uses Threshold Frequency = Work Function/[hP] to evaluate the Threshold Frequency, Threshold Frequency in Photoelectric Effect formula is defined as the minimum frequency of light required to eject electrons from a metal surface, below which no electrons are emitted, and is a critical concept in understanding the photoelectric effect phenomenon. Threshold Frequency is denoted by v₀ symbol.

How to evaluate Threshold Frequency in Photoelectric Effect using this online evaluator? To use this online evaluator for Threshold Frequency in Photoelectric Effect, enter Work Function (ϕ) and hit the calculate button.

FAQs on Threshold Frequency in Photoelectric Effect

What is the formula to find Threshold Frequency in Photoelectric Effect?

The formula of Threshold Frequency in Photoelectric Effect is expressed as Threshold Frequency = Work Function/[hP]. Here is an example- 1.4E+17 = 9.4E-17/[hP].

How to calculate Threshold Frequency in Photoelectric Effect?

With Work Function (ϕ) we can find Threshold Frequency in Photoelectric Effect using the formula - Threshold Frequency = Work Function/[hP]. This formula also uses Planck constant .

Can the Threshold Frequency in Photoelectric Effect be negative?

Yes, the Threshold Frequency in Photoelectric Effect, measured in Frequency can be negative.

Which unit is used to measure Threshold Frequency in Photoelectric Effect?

Threshold Frequency in Photoelectric Effect is usually measured using the Hertz[Hz] for Frequency. Petahertz[Hz], Terahertz[Hz], Gigahertz[Hz] are the few other units in which Threshold Frequency in Photoelectric Effect can be measured.

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