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Energy per Quantum of Radiation Absorbed Calculator

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✖Frequency refers to the number of occurrences of a periodic event per time and is measured in cycles/second.ⓘ Frequency [f]

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✖Energy per Quantum is the energy of a molecule per quantum of radiation which is absorbed during a photochemical reaction.ⓘ Energy per Quantum of Radiation Absorbed [E_Quantum]

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Formula

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Energy per Quantum of Radiation Absorbed

Formula

E Quantum = [hP] \cdot f

Example

6E-32 J = [hP] \cdot 90 Hz

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Energy per Quantum of Radiation Absorbed Solution

STEP 0: Pre-Calculation Summary

Formula Used

Energy per Quantum = [hP]*Frequency
E_Quantum = [hP]*f
This formula uses 1 Constants, 2 Variables

Constants Used

[hP] - Planck constant Value Taken As 6.626070040E-34

Variables Used

Energy per Quantum - (Measured in Joule) - Energy per Quantum is the energy of a molecule per quantum of radiation which is absorbed during a photochemical reaction.
Frequency - (Measured in Hertz) - Frequency refers to the number of occurrences of a periodic event per time and is measured in cycles/second.

STEP 1: Convert Input(s) to Base Unit

Frequency: 90 Hertz --> 90 Hertz No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

E_Quantum = [hP]*f --> [hP]*90

Evaluating ... ...

E_Quantum = 5.963463036E-32

STEP 3: Convert Result to Output's Unit

5.963463036E-32 Joule --> No Conversion Required

FINAL ANSWER

5.963463036E-32 ≈ 6E-32 Joule <-- Energy per Quantum

(Calculation completed in 00.004 seconds)

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Created by Akshada Kulkarni

National Institute of Information Technology (NIIT), Neemrana

Akshada Kulkarni has created this Calculator and 500+ more calculators!

Verified by Prashant Singh

K J Somaiya College of science (K J Somaiya), Mumbai

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< Stark Einstein law Calculators

Quantum Efficiency for Disappearance of Reactant

Go Quantum efficiency for reactants = Reactant Molecules Consumed per Second/Number of Quanta Absorbed

Number of Quanta absorbed in 1 second using Quantum Efficiency of Products

Go Number of Quanta Absorbed = Product Molecules Formed per Second/Quantum Efficiency for Products

Number of Molecules of Product formed in 1 second

Go Product Molecules Formed per Second = Quantum Efficiency for Products*Number of Quanta Absorbed

Quantum Efficiency for Formation of Product

Go Quantum Efficiency for Products = Product Molecules Formed per Second/Number of Quanta Absorbed

Energy per Quantum of Radiation Absorbed Formula

Energy per Quantum = [hP]*Frequency
E_Quantum = [hP]*f

What is Stark-Einstein law of photochemical equivalence?

Stark-Einstein law of photochemical equivalence can be stated as follows:
Each molecule taking part in a photochemical reaction absorbs one quantum of radiation
which causes the reaction. This law is applicable to the primary act of excitation of a molecule by light absorption. This law helps in calculating the quantum efficiency which is a measure of the efficiency of the use of light in a photochemical reaction.

What is Grotthuss-Draper Law?

According to this law, only the light that is absorbed by a molecule can produce a
photochemical change in it. This means that it is not sufficient to pass light through a
substance to bring about a chemical reaction; but the light must be absorbed by it.
Stark-Einstein law of photochemical equivalence provides a quantum mechanical form to
Grotthuss-Draper law.

How to Calculate Energy per Quantum of Radiation Absorbed?

Energy per Quantum of Radiation Absorbed calculator uses Energy per Quantum = [hP]*Frequency to calculate the Energy per Quantum, The Energy Per quantum of radiation absorbed formula is defined as the energy of a molecule per quantum of radiation which is absorbed during a photochemical reaction. Energy per Quantum is denoted by E_Quantum symbol.

How to calculate Energy per Quantum of Radiation Absorbed using this online calculator? To use this online calculator for Energy per Quantum of Radiation Absorbed, enter Frequency (f) and hit the calculate button. Here is how the Energy per Quantum of Radiation Absorbed calculation can be explained with given input values -> 6E-32 = [hP]*90.

FAQ

What is Energy per Quantum of Radiation Absorbed?

The Energy Per quantum of radiation absorbed formula is defined as the energy of a molecule per quantum of radiation which is absorbed during a photochemical reaction and is represented as E_Quantum = [hP]*f or Energy per Quantum = [hP]*Frequency. Frequency refers to the number of occurrences of a periodic event per time and is measured in cycles/second.

How to calculate Energy per Quantum of Radiation Absorbed?

The Energy Per quantum of radiation absorbed formula is defined as the energy of a molecule per quantum of radiation which is absorbed during a photochemical reaction is calculated using Energy per Quantum = [hP]*Frequency. To calculate Energy per Quantum of Radiation Absorbed, you need Frequency (f). With our tool, you need to enter the respective value for Frequency and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Energy per Quantum?

In this formula, Energy per Quantum uses Frequency. We can use 2 other way(s) to calculate the same, which is/are as follows -

Energy per Quantum = Intensity in J per second/Intensity in number of photons
Energy per Quantum = ([hP]*[c])/Wavelength

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