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Optical Activity Formula

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Optical activity is the ability of certain substances to rotate the plane of polarization of light passing through them. Check FAQs

α = \frac{θ}{L \cdot C x}

α - Optical Activity?θ - Angle from Slit Center to Light Source?L - Length?C_x - Concentration at x Distance?

Optical Activity Example

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With units

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Here is how the Optical Activity equation looks like with Values.

Here is how the Optical Activity equation looks like with Units.

Here is how the Optical Activity equation looks like.

1.9573 = \frac{15.7}{35 \cdot 0.4}

1.9573 = \frac{15.7°}{35cm \cdot 0.4}

1.9573 = \frac{15.7}{35 \cdot 0.4}

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Optical Activity Solution

Follow our step by step solution on how to calculate Optical Activity?

FIRST Step Consider the formula

α = \frac{θ}{L \cdot C x}

Next Step Substitute values of Variables

∴

α = \frac{15.7°}{35cm \cdot 0.4}

Next Step Convert Units

∴

α = \frac{0.274rad}{0.35m \cdot 0.4}

Next Step Prepare to Evaluate

∴

α = \frac{0.274}{0.35 \cdot 0.4}

Next Step Evaluate

∴

α = 1.95726208973613

LAST Step Rounding Answer

∴

α = 1.9573

Optical Activity Formula Elements

Variables

Optical Activity

Optical activity is the ability of certain substances to rotate the plane of polarization of light passing through them.

Symbol: α

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Optical Activity

Angle from Slit Center to Light Source

Angle from Slit Center to Light Source is the angle formed by the line connecting the center of the slit to the light source and the normal to the slit.

Symbol: θ

Measurement: AngleUnit: °

Note: Value can be positive or negative.

Formulas to find Angle from Slit Center to Light Source

Length

Length is the distance between successive peaks or troughs of a wave, typically measured in meters, it determines the wave's spatial period and is inversely related to its frequency.

Symbol: L

Measurement: LengthUnit: cm

Note: Value should be greater than 0.

Formulas to find Length

Concentration at x Distance

Concentration at x Distance is the amount of substance present in a unit volume of a medium at a specific distance from the source of the wave.

Symbol: C_x

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Concentration at x Distance

Other formulas in Thin Film Interference and Optical Path Difference category

Go Thin-Film Constructive Interference in Reflected Light

I c = (n + \frac{1}{2}) \cdot λ

Go Thin-Film Constructive Interference in Transmitted Light

I c = n \cdot λ

Go Thin-Film Destructive Interference in Reflected Light

I d = n \cdot λ

Go Thin-Film Destructive Interference in Transmitted Light

I d = (n + \frac{1}{2}) \cdot λ

How to Evaluate Optical Activity?

Optical Activity evaluator uses Optical Activity = Angle from Slit Center to Light Source/(Length*Concentration at x Distance) to evaluate the Optical Activity, Optical Activity formula is defined as a measure of the ability of a substance to rotate the plane of polarized light as it passes through it, which is a fundamental property of molecules that is used to determine their stereochemistry and enantiomeric purity in various fields such as chemistry and pharmacology. Optical Activity is denoted by α symbol.

How to evaluate Optical Activity using this online evaluator? To use this online evaluator for Optical Activity, enter Angle from Slit Center to Light Source (θ), Length (L) & Concentration at x Distance (C_x) and hit the calculate button.

FAQs on Optical Activity

What is the formula to find Optical Activity?

The formula of Optical Activity is expressed as Optical Activity = Angle from Slit Center to Light Source/(Length*Concentration at x Distance). Here is an example- 1.957262 = 0.274016692563058/(0.35*0.4).

How to calculate Optical Activity?

With Angle from Slit Center to Light Source (θ), Length (L) & Concentration at x Distance (C_x) we can find Optical Activity using the formula - Optical Activity = Angle from Slit Center to Light Source/(Length*Concentration at x Distance).

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Optical Activity Formula

Optical Activity Example

Optical Activity Solution

Optical Activity Formula Elements

Other formulas in Thin Film Interference and Optical Path Difference category

How to Evaluate Optical Activity?

FAQs on Optical Activity

Variable Name