Intensity of Light Transmitted Calculator

✖Intensity of Light Entering the Material is related to the energy of the EM wave (power per unit area). So when light passes through an interface some of it is reflected and some refracted.ⓘ Intensity of Light Entering the Material [I_o]			+10% -10%
✖The absorption coefficient defines how far light of a particular wavelength can penetrate into a material before being absorbed. The absorption coefficient in inverse length units.ⓘ Absorption Coefficient [α]			+10% -10%
✖Path Length of average number of steps along the shortest paths for all possible pairs of network nodes.ⓘ Path Length [x]			+10% -10%

✖Intensity of Transmitted Light varies as the square of the cosine of the angle between the two planes of transmission.ⓘ Intensity of Light Transmitted [I_t]

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Intensity of Light Transmitted Solution

STEP 0: Pre-Calculation Summary

Formula Used

Intensity of Transmitted Light = Intensity of Light Entering the Material*exp(-Absorption Coefficient*Path Length)
I_t = I_o*exp(-α*x)
This formula uses 1 Functions, 4 Variables

Functions Used

exp - n an exponential function, the value of the function changes by a constant factor for every unit change in the independent variable., exp(Number)

Variables Used

Intensity of Transmitted Light - (Measured in Candela) - Intensity of Transmitted Light varies as the square of the cosine of the angle between the two planes of transmission.
Intensity of Light Entering the Material - (Measured in Candela) - Intensity of Light Entering the Material is related to the energy of the EM wave (power per unit area). So when light passes through an interface some of it is reflected and some refracted.
Absorption Coefficient - The absorption coefficient defines how far light of a particular wavelength can penetrate into a material before being absorbed. The absorption coefficient in inverse length units.
Path Length - (Measured in Meter) - Path Length of average number of steps along the shortest paths for all possible pairs of network nodes.

STEP 1: Convert Input(s) to Base Unit

Intensity of Light Entering the Material: 700 Candela --> 700 Candela No Conversion Required
Absorption Coefficient: 0.5001 --> No Conversion Required
Path Length: 7 Meter --> 7 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

I_t = I_o*exp(-α*x) --> 700*exp(-0.5001*7)

Evaluating ... ...

I_t = 21.1233768553891

STEP 3: Convert Result to Output's Unit

21.1233768553891 Candela --> No Conversion Required

FINAL ANSWER

21.1233768553891 ≈ 21.12338 Candela <-- Intensity of Transmitted Light

(Calculation completed in 00.004 seconds)

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Created by Aman Dhussawat

GURU TEGH BAHADUR INSTITUTE OF TECHNOLOGY (GTBIT), NEW DELHI

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< Methods of Lighting Calculators

Intensity of Light Transmitted

LaTeX Go Intensity of Transmitted Light = Intensity of Light Entering the Material*exp(-Absorption Coefficient*Path Length)

Spectral Reflection Factor

LaTeX Go Spectral Reflection Factor = Reflected Spectral Emission/Spectral Irradiation

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Luminance for Lambertian Surfaces

LaTeX Go Luminance = Illumination Intensity/pi

< Advanced Illumination Calculators

Beer-Lambert Law

LaTeX Go Intensity of Transmitted Light = Intensity of Light Entering the Material*exp(-Absorption per Concentration Coefficient*Concentration of Absorption Material*Path Length)

Utilization Factor of Electrical Energy

LaTeX Go Utilization Factor = Lumen Reaching Working Plane/Lumen Emitting from Source

Specific Consumption

LaTeX Go Specific Consumption = (2*Input Power)/Candle Power

Luminous Intensity

LaTeX Go Luminous Intensity = Lumen/Solid Angle

Intensity of Light Transmitted Formula

LaTeX Go

Intensity of Transmitted Light = Intensity of Light Entering the Material*exp(-Absorption Coefficient*Path Length)
I_t = I_o*exp(-α*x)

How do you find the intensity of a transmitted beam?

The intensity of a beam is just the power for each square metre of cross-section of the beam. So intensity is measured in watt metre-2. The greater the intensity, the brighter the beam, as more energy per second is detected by the absorbers placed in the beam (power = intensity × collision area of detector)

How to Calculate Intensity of Light Transmitted?

Intensity of Light Transmitted calculator uses Intensity of Transmitted Light = Intensity of Light Entering the Material*exp(-Absorption Coefficient*Path Length) to calculate the Intensity of Transmitted Light, The Intensity of Light Transmitted formula is defined as The transmitted light is polarized along the axis of the polarizer. When polarized light of intensity I0 is incident on a polarizer, the transmitted intensity is given by I = I0cos2θ, where θ is the angle between the polarization direction of the incident light and the axis of the filter. Intensity of Transmitted Light is denoted by I_t symbol.

How to calculate Intensity of Light Transmitted using this online calculator? To use this online calculator for Intensity of Light Transmitted, enter Intensity of Light Entering the Material (I_o), Absorption Coefficient (α) & Path Length (x) and hit the calculate button. Here is how the Intensity of Light Transmitted calculation can be explained with given input values -> 19.7091 = 700*exp(-0.5001*7).

FAQ

What is Intensity of Light Transmitted?

The Intensity of Light Transmitted formula is defined as The transmitted light is polarized along the axis of the polarizer. When polarized light of intensity I0 is incident on a polarizer, the transmitted intensity is given by I = I0cos2θ, where θ is the angle between the polarization direction of the incident light and the axis of the filter and is represented as I_t = I_o*exp(-α*x) or Intensity of Transmitted Light = Intensity of Light Entering the Material*exp(-Absorption Coefficient*Path Length). Intensity of Light Entering the Material is related to the energy of the EM wave (power per unit area). So when light passes through an interface some of it is reflected and some refracted, The absorption coefficient defines how far light of a particular wavelength can penetrate into a material before being absorbed. The absorption coefficient in inverse length units & Path Length of average number of steps along the shortest paths for all possible pairs of network nodes.

How to calculate Intensity of Light Transmitted?

The Intensity of Light Transmitted formula is defined as The transmitted light is polarized along the axis of the polarizer. When polarized light of intensity I0 is incident on a polarizer, the transmitted intensity is given by I = I0cos2θ, where θ is the angle between the polarization direction of the incident light and the axis of the filter is calculated using Intensity of Transmitted Light = Intensity of Light Entering the Material*exp(-Absorption Coefficient*Path Length). To calculate Intensity of Light Transmitted, you need Intensity of Light Entering the Material (I_o), Absorption Coefficient (α) & Path Length (x). With our tool, you need to enter the respective value for Intensity of Light Entering the Material, Absorption Coefficient & Path Length 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 Intensity of Transmitted Light?

In this formula, Intensity of Transmitted Light uses Intensity of Light Entering the Material, Absorption Coefficient & Path Length. We can use 1 other way(s) to calculate the same, which is/are as follows -

Intensity of Transmitted Light = Intensity of Light Entering the Material*exp(-Absorption per Concentration Coefficient*Concentration of Absorption Material*Path Length)

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