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Power of Lens using Distance Rule Formula

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Power of Lens is the degree of convergence or divergence of light rays as they pass through a lens, measured in diopters, and is a critical parameter in optics and ophthalmology. Check FAQs

P = P 1 + P 2 - w \cdot P 1 \cdot P 2

P - Power of Lens?P₁ - Power of First Lens?P₂ - Power of Second Lens?w - Width of Lens?

Power of Lens using Distance Rule Example

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Here is how the Power of Lens using Distance Rule equation looks like with Values.

Here is how the Power of Lens using Distance Rule equation looks like with Units.

Here is how the Power of Lens using Distance Rule equation looks like.

0.4484 = 0.15 + 0.32 - 0.45 \cdot 0.15 \cdot 0.32

0.4484 = 0.15 + 0.32 - 0.45m \cdot 0.15 \cdot 0.32

0.4484 = 0.15 + 0.32 - 0.45 \cdot 0.15 \cdot 0.32

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Power of Lens using Distance Rule Solution

Follow our step by step solution on how to calculate Power of Lens using Distance Rule?

FIRST Step Consider the formula

P = P 1 + P 2 - w \cdot P 1 \cdot P 2

Next Step Substitute values of Variables

∴

P = 0.15 + 0.32 - 0.45m \cdot 0.15 \cdot 0.32

Next Step Prepare to Evaluate

∴

P = 0.15 + 0.32 - 0.45 \cdot 0.15 \cdot 0.32

LAST Step Evaluate

∴

P = 0.4484

Power of Lens using Distance Rule Formula Elements

Variables

Power of Lens

Power of Lens is the degree of convergence or divergence of light rays as they pass through a lens, measured in diopters, and is a critical parameter in optics and ophthalmology.

Symbol: P

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Power of Lens

Power of First Lens

Power of First Lens is the ability of the first lens in an optical system to converge or diverge light, affecting the overall magnification and focus of the image.

Symbol: P₁

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Power of First Lens

Power of Second Lens

Power of Second Lens is the ability of a lens to converge or diverge light, measured in diopters, which determines the focal length and magnification of an optical system.

Symbol: P₂

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Power of Second Lens

Width of Lens

Width of Lens is the horizontal distance of a lens, which is a curved piece of glass or plastic used in optical instruments, such as cameras, telescopes, and microscopes, to focus light.

Symbol: w

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Width of Lens

Other Formulas to find Power of Lens

Go Power of Lens

P = \frac{1}{f}

Other formulas in Lenses category

Go Object Distance in Concave Lens

u concave = \frac{v \cdot f concave lens}{v - f concave lens}

Go Object Distance in Convex Lens

u convex = \frac{v \cdot f convex lens}{v - (f convex lens)}

Go Magnification of Concave Lens

m concave = \frac{v}{u}

Go Magnification of Convex Lens

m convex = - \frac{v}{u}

How to Evaluate Power of Lens using Distance Rule?

Power of Lens using Distance Rule evaluator uses Power of Lens = Power of First Lens+Power of Second Lens-Width of Lens*Power of First Lens*Power of Second Lens to evaluate the Power of Lens, Power of Lens using Distance Rule formula is defined as a measure of the combined power of two or more lenses in an optical system, taking into account the distance between them, and is used to calculate the resulting power of the combination. Power of Lens is denoted by P symbol.

How to evaluate Power of Lens using Distance Rule using this online evaluator? To use this online evaluator for Power of Lens using Distance Rule, enter Power of First Lens (P₁), Power of Second Lens (P₂) & Width of Lens (w) and hit the calculate button.

FAQs on Power of Lens using Distance Rule

What is the formula to find Power of Lens using Distance Rule?

The formula of Power of Lens using Distance Rule is expressed as Power of Lens = Power of First Lens+Power of Second Lens-Width of Lens*Power of First Lens*Power of Second Lens. Here is an example- 0.476375 = 0.15+0.32-0.45*0.15*0.32.

How to calculate Power of Lens using Distance Rule?

With Power of First Lens (P₁), Power of Second Lens (P₂) & Width of Lens (w) we can find Power of Lens using Distance Rule using the formula - Power of Lens = Power of First Lens+Power of Second Lens-Width of Lens*Power of First Lens*Power of Second Lens.

What are the other ways to Calculate Power of Lens?

Here are the different ways to Calculate Power of Lens-

Power of Lens=1/Focal Length of Lens

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Power of Lens using Distance Rule Formula

​GoPower of Lens Formula

Power of Lens using Distance Rule Example

Power of Lens using Distance Rule Solution

Power of Lens using Distance Rule Formula Elements

Other Formulas to find Power of Lens

Other formulas in Lenses category

How to Evaluate Power of Lens using Distance Rule?

FAQs on Power of Lens using Distance Rule

Variable Name

GoPower of Lens Formula