Shadow Length Calculator calculates the length of a vertical object shadow on a given day and geographic coordinate. To determine sun altitude, the calculator use the Sun Position Algorithm.
Shadow Length Calculator:The shadow length calculator is a useful online tool for calculating the length of a shadow cast by an object as a consequence of the Sun. The tool uses the angle of elevation to determine the length of an object's shadow. Know about What is meant by Shadow Length, Shadow Length Formula, How to Compute Shadow Length step by step manually.
The angle of elevation is also required to compute an object's shadow. Depending on the time of day, the shadow length increases and decreases. The shadow is cast on the opposite side, and its length is calculated using the formula below.
Shadow Length L = h/ tan α
If there is no shadow, the calculator returns zero. As you may be aware, this can occur at any time of day or night. When the sun is at an angle 45°, the object's length is equal to the length of its shadow.
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The length of your shadow is determined by your height and the position of the sun or other source of light behind you in respect to the ground. The length of the shadow is proportional to the angle of the sun. In addition, the longer the shadow, the taller you are.
Question 1: Consider a 15m long pole casting a shadow. If the angle of elevation of the sun is 45°, What will be the length of the shadow?
Consider the problem, we have
The angle of elevation of the sun α is 45°
The long pole casting a shadow h = 15m
We know the formula to calculate Shadow Length L = h/ tan α
Substituting the inputs, we get the following equation for shadow length
L = 15/ tan 45°
L = 15/1 (Since, tan 45°=1)
L = 15 m
Therefore, The Shadow Length = 15 m
Note:When the sun is at an angle 45°, the object's length is equal to the length of its shadow.
1. How to calculate the shadow length using calculator?
To determine the shadow length, enter the object's height and the angle of the light source measured from the ground.
2. What exactly is a shadow?
The blocking of a light source from the reflecting surface causes a shadow, which is a darker reflection of an object.
3. How can you figure out how long a shadow is?
Replace the numerical equivalents in the following formula: Shadow Length = Object Height / tan α.
4. What is the meaning of the shadow rule?
By observing the length of a person's shadow over the course of a day, the shadow rule indirectly estimates the sun's altitude.