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The equation that relates the intensity of light to the power of the light source and the distance from the source is known as the inverse square law. It is expressed as:

Intensity Power / (4 distance2)

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3mo ago

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How does distance affect intensity?

Distance affects intensity by following the inverse square law, which states that as distance from a source increases, the intensity of the source decreases by the square of the distance. This means that the further you are from a source of intensity, the weaker the intensity will be.


What happens to the light intensity if you half the distance to the source?

The light intensity increases by a factor of four when you half the distance to the source. This is known as the inverse square law, where light intensity is inversely proportional to the square of the distance from the source.


What is the relationship between the distance from a source of electromagnetic waves and the electromagnetic wave intensity at that distance?

The relationship between the distance from a source of electromagnetic waves and the electromagnetic wave intensity at that distance is inversely proportional. This means that as the distance from the source increases, the intensity of the electromagnetic waves decreases.


How is the intensity of light and distance related?

The intensity of light decreases as distance from the source increases. This relationship follows an inverse square law, meaning that if you double the distance from the source of light, the intensity decreases by a factor of four.


What is the relationship between the intensity of radiation and the distance from the source, as described by the k square law?

The relationship between the intensity of radiation and the distance from the source, as described by the inverse square law, states that the intensity of radiation decreases as the distance from the source increases. This means that the further away you are from the source of radiation, the lower the intensity of radiation you will be exposed to.

Related Questions

How does distance affect intensity?

Distance affects intensity by following the inverse square law, which states that as distance from a source increases, the intensity of the source decreases by the square of the distance. This means that the further you are from a source of intensity, the weaker the intensity will be.


What happens to the light intensity if you half the distance to the source?

The light intensity increases by a factor of four when you half the distance to the source. This is known as the inverse square law, where light intensity is inversely proportional to the square of the distance from the source.


What is the relationship between the distance from a source of electromagnetic waves and the electromagnetic wave intensity at that distance?

The relationship between the distance from a source of electromagnetic waves and the electromagnetic wave intensity at that distance is inversely proportional. This means that as the distance from the source increases, the intensity of the electromagnetic waves decreases.


How is the intensity of light and distance related?

The intensity of light decreases as distance from the source increases. This relationship follows an inverse square law, meaning that if you double the distance from the source of light, the intensity decreases by a factor of four.


What is the relationship between the intensity of radiation and the distance from the source, as described by the k square law?

The relationship between the intensity of radiation and the distance from the source, as described by the inverse square law, states that the intensity of radiation decreases as the distance from the source increases. This means that the further away you are from the source of radiation, the lower the intensity of radiation you will be exposed to.


How does the intensity of a sound wave change if the distance from the source is reduced by a factor of 3?

The intensity of a sound wave would increase by a factor of 9 (3^2) if the distance from the source is reduced by a factor of 3. This is because intensity is inversely proportional to the square of the distance from the source.


If the distance from the light source is tripled how much does the light intensity change?

The light intensity decreases by a factor of nine when the distance from the light source is tripled. This relationship is governed by the inverse square law, which states that the intensity of light is inversely proportional to the square of the distance from the source.


What is the relationship between the intensity of the radiation given off from a radiation source and distance from the radiation source?

The source doesn't care how far you are from it, or whether you're even there, andthere's no relationship between that and the intensity of the radiation it gives off.However, the intensity of the radiation that you receivefrom it is inversely proportionalto the square of your distance from it ... same math as for gravity.


What is the relationship between sound intensity and distance?

The relationship between sound intensity and distance is that sound intensity decreases as distance from the sound source increases. This is because sound waves spread out as they travel, causing the intensity of the sound to decrease with distance.


Why does intensity decreases as the distance from the light source increases?

Intensity decreases as the distance from a light source increases due to the spreading out of light waves over a larger area. This leads to light being more dispersed and less concentrated at a greater distance from the source. The inverse square law dictates that the intensity of light decreases proportionally to the square of the distance from the source.


What is the light intensity equation and how does it relate to the measurement of light in a given environment?

The light intensity equation is I P/A, where I is the intensity of light, P is the power of the light source, and A is the area over which the light is spread. This equation helps us understand how bright the light is in a specific area. By measuring the power of the light source and the area it covers, we can calculate the intensity of light in that environment.


What is the relationship between the distance from the source and loudness?

The relationship between distance from the source and loudness is that as distance increases, the sound intensity decreases, resulting in lower perceived loudness. This follows the inverse square law, meaning that the sound intensity is inversely proportional to the square of the distance from the source.