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How much does a rainbow come out?
A rainbow occurs when sunlight is refracted, or bent, and reflected inside water droplets in the atmosphere. The angle at which the light is refracted and reflected causes the different colors of the spectrum to be visible. The height of the raindrop determines the size of the rainbow, but typically rainbows are seen forming a semicircle with a radius of about 42 degrees.
Which planet has the largest radius?
Jupiter is the largest planet and therefore has the largest radius. The radius of Jupiter is 43,441 miles (69,911 kilometers).
Do other planets have rainbows?
You need some form of rain or spray of liquid for a rainbow to occur, and it doesn't need to be water. Any liquid that doesn't absorb light will do, because light needs to enter and exit a drop of liquid to produce a rainbow. Saturn's moon "Titan" has rain of liquid methane, which can produce rainbows with an angular radius of 48.5° (Water rainbows on Earth have an angular radius of 42.4°). Since Titan's atmosphere is orange, the rainbow would have an overall orange tint, though.
Why there is no rainbow at night?
There is no "why" because it's possibl to see a rainbow at night, but rare. The reason is that the source of the colors in the rainbow during the day is the sun, whereas the source at night can only be the moon, which is much less bright, so any rainbow at night would be much less noticeable.
Who discovered radius?
The radius was not specifically discovered by one person as it is a fundamental geometric concept dating back to ancient times. The concept of the radius is understood as the distance from the center of a circle to any point on its circumference.
What are pi and radius?
Pi - the circumference of a circle over the diameter of a circle. Pi is constant and will always be 3.14. Radius - any line segment in a circle that extends from the center of the circle to the perimeter of the circle. Radius is half the diameter.
A line segment with one endpoint at the center of a circle?
The answer depends on where the other end of the line segment is. If it is on the circumference the segment is a radius. Otherwise, it is indeterminate.
Where did pi start?
The observation that the ratio of circumference and radius is constant.
What is the radius of a rainbow?
Unfortunately, it's impossible to accurately measure a rainbow's radius. Rainbows are simply refracted light, and if you tried to get to the "base" of one, it would disappear before your eyes. You could, however, guesstimate if you knew the distance between two landmarks at the approximate distance from the edges of the rainbow and use that as a kind of ruler.
If A line segment drawn from the center to any point on the circle it is called?
A line segment drawn from the center of a circle to any point on the circle is called a radius. The radius is constant for a given circle and is crucial in defining the circle's size. All points on the circumference of the circle are equidistant from the center, with this distance being the length of the radius.
What is radius of curvature of spherical surface?
The radius of curvature of a spherical surface is the radius of the sphere from which the surface is derived. It is defined as the distance from the center of the sphere to the surface at any point. For a perfect sphere, the radius of curvature is constant and equal to the sphere's radius. This concept is crucial in optics and geometry, as it helps determine how light rays behave when they encounter curved surfaces.
What happens with the volume if the radio increases the double?
volume of any sphere = (4 / 3) * pi (a constant 3.14159) * radius cubedso if radius = say 2 cm, volume = 33.51so if radius = 4 cm, volume = 268.08so if you double the radius, you (2)^3= 8 times the volumeand if you treble the radius, you (3)^3 = 27 times the volume
Is radius of gyration a constant quantity?
No, the radius of gyration is not a constant quantity. It depends on the distribution of mass and the shape of the object. It is defined as the root-mean-square distance of the objects' parts from its center of mass.
When a particle moving in a circle what physical phenomena remains constant?
radius
IS the gravitaional constant of moon is same as earth?
No, the gravitational constant on the Moon is not the same as on Earth. The gravitational constant depends on the mass and radius of the celestial body. The Moon has a lower mass and radius compared to Earth, resulting in a weaker gravitational constant on the Moon.
Area of a circle with .125 radius?
A circle of radius r has an area of Pi*r*r, where Pi is the constant which is approximately 3.14159.
What is the radius of a circle whose circumference is 28?
pi = 3.1416 ( a constant) Circumference = 2 * pi * radius, so radius = circumference / (2 * pi) So radius = 28 / ( 2 * 3.1416 ) = 4.456 units
