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Moseley's Law Calculator

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✖Constant A is defined as proportionality and screening (or shielding) constants.ⓘ Constant A [a]
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✖Atomic weight is the average mass of atoms of an element.ⓘ Atomic Weight [Atomic Wt.]
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✖Constant B is a proportionality and screening (or shielding) constants.ⓘ Constant B [b]
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✖A Moseley Law is the square root of the frequency of an x-ray spectral is proportional to the difference between the atomic number and a constant which depends only on the series.ⓘ Moseley's Law [vsqrt]
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Formula
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Moseley's Law

Formula
`"v"_{"sqrt"} = ("a")*("Atomic Wt."-"b")`

Example
`"-14.957872"=("1.5")*("28.085g"-"10")`

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Moseley's Law Solution

STEP 0: Pre-Calculation Summary
Formula Used
Moseley Law = (Constant A)*(Atomic Weight-Constant B)
vsqrt = (a)*(Atomic Wt.-b)
This formula uses 4 Variables
Variables Used
Moseley Law - A Moseley Law is the square root of the frequency of an x-ray spectral is proportional to the difference between the atomic number and a constant which depends only on the series.
Constant A - Constant A is defined as proportionality and screening (or shielding) constants.
Atomic Weight - (Measured in Kilogram) - Atomic weight is the average mass of atoms of an element.
Constant B - Constant B is a proportionality and screening (or shielding) constants.
STEP 1: Convert Input(s) to Base Unit
Constant A: 1.5 --> No Conversion Required
Atomic Weight: 28.085 Gram --> 0.028085 Kilogram (Check conversion here)
Constant B: 10 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
vsqrt = (a)*(Atomic Wt.-b) --> (1.5)*(0.028085-10)
Evaluating ... ...
vsqrt = -14.9578725
STEP 3: Convert Result to Output's Unit
-14.9578725 --> No Conversion Required
FINAL ANSWER
-14.9578725 ≈ -14.957872 <-- Moseley Law
(Calculation completed in 00.003 seconds)
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St Joseph's College (SJC), Bengaluru
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10+ Atom Calculators

Angle between Incident Ray and Scattering Planes in X-ray Diffraction
Go Angle b/w Incident and Reflected X-Ray = asin((Order of Reflection*Wavelength of X-ray)/(2*Interplanar Spacing))
Spacing between Atomic Lattice Planes in X-ray Diffraction
Go Interplanar Spacing = (Order of Reflection*Wavelength of X-ray)/(2*sin(Angle b/w Incident and Reflected X-Ray))
Wavelength in X-ray Diffraction
Go Wavelength of X-ray = (2*Interplanar Spacing*sin(Angle b/w Incident and Reflected X-Ray))/Order of Reflection
Wavelength of Emitted Radiation for Transition between States
Go Wavelength = [Rydberg]*(Atomic Number^2)*(1/Energy State n1^2-1/Energy State n2^2)
Quantization of Angular Momentum
Go Quantization of Angular Momentum = (Quantum Number*Plancks Constant)/(2*pi)
Energy in Nth Bohr's Orbit
Go Energy in nth Bohr's Unit = -13.6*((Atomic Number)^2)/((Number of Level in Orbit)^2)
Moseley's Law
Go Moseley Law = (Constant A)*(Atomic Weight-Constant B)
Radius of Nth Bohr's Orbit
Go Radius of nth Orbit = (Value of n^2*0.529*10^(-10))/Atomic Number
Minimum Wavelength in X-ray Spectrum
Go Wavelength = Plancks Constant*3*10^8/(1.60217662*10^-19*Voltage)
Photon Energy in State Transition
Go Energy of Photon = Plancks Constant*Frequency of Photon

Moseley's Law Formula

Moseley Law = (Constant A)*(Atomic Weight-Constant B)
vsqrt = (a)*(Atomic Wt.-b)

Moseley's Experiment

Moseley's law is an empirical law concerning the characteristic x-rays emitted by atoms. The law had been discovered and published by the English physicist Henry Moseley in 1913-1914. Until Moseley's work, "atomic number" was merely an element's place in the periodic table and was not known to be associated with any measurable physical quantity.

How to Calculate Moseley's Law?

Moseley's Law calculator uses Moseley Law = (Constant A)*(Atomic Weight-Constant B) to calculate the Moseley Law, The Moseley's Law formula is defined as The law that the square root of the frequency of an x-ray spectral line belonging to a particular series is proportional to the difference between the atomic number and a constant which depends only on the series. Moseley Law is denoted by vsqrt symbol.

How to calculate Moseley's Law using this online calculator? To use this online calculator for Moseley's Law, enter Constant A (a), Atomic Weight (Atomic Wt.) & Constant B (b) and hit the calculate button. Here is how the Moseley's Law calculation can be explained with given input values -> -14.957872 = (1.5)*(0.028085-10).

FAQ

What is Moseley's Law?
The Moseley's Law formula is defined as The law that the square root of the frequency of an x-ray spectral line belonging to a particular series is proportional to the difference between the atomic number and a constant which depends only on the series and is represented as vsqrt = (a)*(Atomic Wt.-b) or Moseley Law = (Constant A)*(Atomic Weight-Constant B). Constant A is defined as proportionality and screening (or shielding) constants, Atomic weight is the average mass of atoms of an element & Constant B is a proportionality and screening (or shielding) constants.
How to calculate Moseley's Law?
The Moseley's Law formula is defined as The law that the square root of the frequency of an x-ray spectral line belonging to a particular series is proportional to the difference between the atomic number and a constant which depends only on the series is calculated using Moseley Law = (Constant A)*(Atomic Weight-Constant B). To calculate Moseley's Law, you need Constant A (a), Atomic Weight (Atomic Wt.) & Constant B (b). With our tool, you need to enter the respective value for Constant A, Atomic Weight & Constant B and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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