![]() When the object is atĭ 0 distance, n number of photons again choose the object as their arrival target and set out towards it. Now, let’s think of the situation the object moves away. ![]() As a result, n number of photons coverĭ 0 distance in t Δ =d 0/c time and reach their target objects. T 0 choose this object as their arrival targets. Assume that n of the photons that are emitted at a time such as The fact that the object is drawn as a round shape is not important. Think of an object that stands still atĭ 0 distance to the light source. We can see how (c+v) (c-v) mathematics interferes in the figure below. When there is movement, (c+v) (c-v) mathematics steps in the situation. However, both equations above are valid for targets that are not in motion relative to light source. Since Light Intensity is a result primarily based on the number of photons that make up the light, we can write the equation above by presenting the real reason as below: There is the following equation in line with this rule. We can think that in practice when we double the distance, the light intensity will decrease fourfold. The general rule is as follows: Intensity of a light that a point source emits around it decreases inversely proportional to the square of the distance. As you move a circle from the light source, amount of light that passes through it in a unit of time decreases. ![]() It is a well-known topic that light intensity changes depending on distance. LIGHT INTENSITY, DISTANCE AND (C+V) (C-V) MATHEMATICS ![]()
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