Intensity of Polarized Light Calculator

The Intensity of Polarized Light Calculator will calculate the:

  1. The intensity of polarized light when it passes through a linear polarizer at an angle θ to the grid lines using the Malus Law.

Calculator Limitations: Sound waves are considered as standing.

Intensity of Polarized Light Calculator
Intensity of Polarized Light Calculator Results (detailed calculations and formula below)
The intensity of sound waves when energy of sound and distance from the source are known is W/m2
The loudness of sound waves when their intensity is known is dB
Intensity of sound wave calculation
I = E × v/4π × r3
I = × /(4 × ) × 3
I = / ×
I = /
I =
Loudness of sound wave calculation
L(dB) = 10 × logE × v × I0/4π × r3
L(dB) = 10 × log × × /(4 × ) × 3
L(dB) = 10 × log/ ×
L(dB) = 10 × log/
L(dB) = 10 × log
L(dB) = 10 ×
L(dB) =
Intensity Of Polarized Light Calculator Input Values
Energy of sound waves (E) J
Speed of sound wave (v) m/s
Distance from the source (r) m
Archimedes constant (π)
Threshold of hearing (I0) W/m2

Please note that the formula for each calculation along with detailed calculations are available below. As you enter the specific factors of each intensity of polarized light calculation, the Intensity Of Polarized Light Calculator will automatically calculate the results and update the Physics formula elements with each element of the intensity of polarized light calculation. You can then email or print this intensity of polarized light calculation as required for later use.

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Discover Physics with free Physics Revision Notes and Physics Calculator: Intensity Of Polarized Light. This image shows the properties and intensity of polarized light formula for the Intensity Of Polarized Light. Use this Physics calculator to calculate the intensity of polarized light when it passes through a linear polarizer at an angle θ to the grid lines using the Malus Law.

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Intensity of sound wave Formula and Calculation

I = E × v/4π × r3

The formula above is obtained by the combination of three other formulae

Formula 1

I = P/4π × r2

Formula 2

P = E/t

Formula 3

t = r/v

Loudness of sound wave Formula and Calculation

L(dB) = 10 × logE × v × I0/4π × r3

This formula derives from the combination of the two other formulae

Formula 1

L(dB) = 10 × logI/I0

Formula 2

I = E × v/4π × r3

Optics Physics Tutorials associated with the Intensity Of Polarized Light Calculator

The following Physics tutorials are provided within the Optics section of our Free Physics Tutorials. Each Optics tutorial includes detailed Optics formula and example of how to calculate and resolve specific Optics questions and problems. At the end of each Optics tutorial you will find Optics revision questions with a hidden answer that reveals when clicked. This allows you to learn about Optics and test your knowledge of Physics by answering the test questions on Optics.

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