A rainbow is a circle if viewed from the air, and it is sometimes not even that, if it is faint enough
Rainbows are actually full circles, but we usually only see a semicircle due to the ground blocking the bottom half. So, a rainbow doesn't have an end, but it appears to end because of our perspective.
The electric field at a point outside a nonuniform semicircle of charge is not constant and varies depending on the distribution of charge along the semicircle. The electric field can be calculated using the principle of superposition, taking into account the contributions from each element of charge along the semicircle. The direction and magnitude of the electric field at a specific point can be determined by integrating the contributions of all the charge elements.
At the center of the semicircle, the electric field due to the straight part of the rod will cancel out because of the symmetry. The electric field at the center of the semicircle is only due to the curved part, so you can treat the semicircle as an arc of a circle with charge distributed along its length. You can then calculate the electric field using the formula for the electric field of a charged arc of a circle.
No, white is not in the rainbow. The colors in a rainbow are red, orange, yellow, green, blue, indigo, and violet.
No, purple is not in the traditional rainbow. The colors of the rainbow are red, orange, yellow, green, blue, indigo, and violet. Purple is a mix of red and blue, which is why it is not included in the rainbow.
Semicircle
A rainbow appears as a semicircle due to the curvature of the Earth. When sunlight enters raindrops and is refracted and reflected back towards the observer, it forms a circular arc in the sky. Since the Earth's surface gets in the way, only a portion of this arc above the horizon is visible, resulting in the appearance of a semicircle.
Arc would be my best guess. An arc is like the shape of a rainbow.
A rainbow is a circle. What we see from almost any point on earth is a semicircle, or just a part of the rainbow. We can only see it from horizon to horizon, or just an arc of the whole rainbow. Occasionally we can see a full circle of a rainbow in the sky surrounding the sun, and sometimes multiple ones.
A rainbow is a circular arc of light that forms when sunlight interacts with raindrops in the atmosphere. The size of a rainbow can vary, but they are typically seen as a semicircle with a diameter of around 42 degrees centered on the antisolar point.
A rainbow forms a circular arc due to the refraction, reflection, and dispersion of sunlight in water droplets in the atmosphere. It appears as a semicircle or full circle when observed from above, such as from an airplane or an elevated location.
Rainbows are actually full circles, but we usually only see a semicircle due to the ground blocking the bottom half. So, a rainbow doesn't have an end, but it appears to end because of our perspective.
No, a semicircle is not a quadrilateral
A rainbow results from sunlight passing thru raindrops that results in a prism effect that makes a complete circle. You only see a semicircle because of the horizon, but from an air plane you would see the full circle
Because at every point IN the rainbow, the angle between the direction to the sun and the direction to your eye has to be the same angle. The only bunch of points that can satisfy that requirement is a bunch of points that are all on the same circle.
The possessive form is semicircle's.
Calculating the radius of a semicircle depends on what information about the semicircle is given.