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What does the inverse square law state?
any physical law stating that some physical quantity or strength is inversely proportional to the square of the distance from the source of that physical quantity.
What is inverse square law and an example?
inverse square law is the law that states the intensity of the light, sound etc is directly proportional to 1/ distance squared meaning the further you are from the source the less intense the light etc will be. e.g. an object 1m away from a light source 1/1^2=1 , 2m 1/2^2= 1/4 and so forth
What happens to the number of dots per unit area as the distance of the dots go farther from the center?
As the distance of the dots from the center increases, the number of dots per unit area decreases. This is because the area over which the dots are distributed becomes larger as they move away from the center, resulting in a lower density of dots per unit area. Mathematically, this relationship can be described by the inverse square law, where the intensity (or density) of a phenomenon decreases as the square of the distance from the source increases.
To what is the illumination of a surface by a light source directly proportional?
The illumination on the surface would be reduced by a factor of four, thereforeif the distance from a light source is doubled, the illumination provided by the source is one fourth as great.
How much weaker will a sound be at a distance of 2 meters from the source compared to its intensity at 1 meter?
Yes, it will be!
