Frequency given Speed of Light and Wavelength Calculator

✖Wavelength is the distance between identical points (adjacent crests) in the adjacent cycles of a waveform signal propagated in space or along a wire.ⓘ Wavelength [λ]

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✖Frequency refers to the number of occurrences of a periodic event per time and is measured in cycles/second or Hertz.ⓘ Frequency given Speed of Light and Wavelength [ν]

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Formula

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Frequency given Speed of Light and Wavelength

Formula

`"ν" = "[c]"/"λ"`

Example

`"7.5E^14Hz"="[c]"/"400nm"`

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Frequency given Speed of Light and Wavelength Solution

STEP 0: Pre-Calculation Summary

Formula Used

Frequency = [c]/Wavelength
ν = [c]/λ
This formula uses 1 Constants, 2 Variables

Constants Used

[c] - Light speed in vacuum Value Taken As 299792458.0

Variables Used

Frequency - (Measured in Hertz) - Frequency refers to the number of occurrences of a periodic event per time and is measured in cycles/second or Hertz.
Wavelength - (Measured in Meter) - Wavelength is the distance between identical points (adjacent crests) in the adjacent cycles of a waveform signal propagated in space or along a wire.

STEP 1: Convert Input(s) to Base Unit

Wavelength: 400 Nanometer --> 4E-07 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

ν = [c]/λ --> [c]/4E-07

Evaluating ... ...

ν = 749481145000000

STEP 3: Convert Result to Output's Unit

749481145000000 Hertz --> No Conversion Required

FINAL ANSWER

749481145000000 ≈ 7.5E+14 Hertz <-- Frequency

(Calculation completed in 00.004 seconds)

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< 23 Radiation Formulas Calculators

Radiosity given Emissive Power and Irradiation

Go Radiosity = (Emissivity*Emissive Power of Blackbody)+(Reflectivity*Irradiation)

Area of Surface 1 given Area 2 and Radiation Shape Factor for Both Surfaces

Go Surface Area of Body 1 = Surface Area of Body 2*(Radiation Shape Factor 21/Radiation Shape Factor 12)

Area of Surface 2 given Area 1 and Radiation Shape Factor for Both Surfaces

Go Surface Area of Body 2 = Surface Area of Body 1*(Radiation Shape Factor 12/Radiation Shape Factor 21)

Shape Factor 12 given Area of Both Surface and Shape Factor 21

Go Radiation Shape Factor 12 = (Surface Area of Body 2/Surface Area of Body 1)*Radiation Shape Factor 21

Shape Factor 21 given Area of Both Surface and Shape Factor 12

Go Radiation Shape Factor 21 = Radiation Shape Factor 12*(Surface Area of Body 1/Surface Area of Body 2)

Temperature of Radiation Shield Placed between Two Parallel Infinite Planes with Equal Emissivities

Go Temperature of Radiation Shield = (0.5*((Temperature of Plane 1^4)+(Temperature of Plane 2^4)))^(1/4)

Emissive Power of Blackbody

Go Emissive Power of Blackbody = [Stefan-BoltZ]*(Temperature of Blackbody^4)

Net Energy Leaving given Radiosity and Irradiation

Go Heat Transfer = Area*(Radiosity-Irradiation)

Emissive Power of Non Blackbody given Emissivity

Go Emissive Power of Non Blackbody = Emissivity*Emissive Power of Blackbody

Emissivity of Body

Go Emissivity = Emissive Power of Non Blackbody/Emissive Power of Blackbody

Total Resistance in Radiation Heat Transfer given Emissivity and Number of Shields

Go Resistance = (Number of Shields+1)*((2/Emissivity)-1)

Reflected Radiation given Absorptivity and Transmissivity

Go Reflectivity = 1-Absorptivity-Transmissivity

Absorptivity given Reflectivity and Transmissivity

Go Absorptivity = 1-Reflectivity-Transmissivity

Transmissivity Given Reflectivity and Absorptivity

Go Transmissivity = 1-Absorptivity-Reflectivity

Mass of Particle Given Frequency and Speed of Light

Go Mass of Particle = [hP]*Frequency/([c]^2)

Energy of each Quanta

Go Energy of Each Quanta = [hP]*Frequency

Wavelength Given Speed of Light and Frequency

Go Wavelength = [c]/Frequency

Frequency given Speed of Light and Wavelength

Go Frequency = [c]/Wavelength

Radiation Temperature given Maximum Wavelength

Go Radiation Temperature = 2897.6/Maximum Wavelength

Maximum Wavelength at given Temperature

Go Maximum Wavelength = 2897.6/Radiation Temperature

Resistance in Radiation Heat Transfer when No Shield is Present and Equal Emissivities

Go Resistance = (2/Emissivity)-1

Reflectivity given Absorptivity for Blackbody

Go Reflectivity = 1-Absorptivity

Reflectivity given Emissivity for Blackbody

Go Reflectivity = 1-Emissivity

< 25 Important Formulas in Radiation Heat Transfer Calculators

Heat Transfer between Concentric Spheres

Go Heat Transfer = (Surface Area of Body 1*[Stefan-BoltZ]*((Temperature of Surface 1^4)-(Temperature of Surface 2^4)))/((1/Emissivity of Body 1)+(((1/Emissivity of Body 2)-1)*((Radius of Smaller Sphere/Radius of Larger Sphere)^2)))

Heat Transfer between Small Convex Object in Large Enclosure

Go Heat Transfer = Surface Area of Body 1*Emissivity of Body 1*[Stefan-BoltZ]*((Temperature of Surface 1^4)-(Temperature of Surface 2^4))