Cross Sections Definition

For example the rutherford cross section is a measure of probability that an alpha particle will be deflected by a given angle during a collision with an atomic nucleus cross section is typically denoted σ and is expressed in terms of the transverse area that the. Cross section definition is a cutting or piece of something cut off at right angles to an axis. Countable noun if you refer to a cross section of particular things or people you mean a group of them that you think is typical or representative of all of them.

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Countable noun also in n.

Cross sections definition. The conic sections circles ellipses parabolas and hyperbolas are plane sections of a cone with the cutting planes at various different angles as seen in the diagram at left. A view into the inside of something made by cutting through it. Cross sections make it easy to draw details of solid objects.

Any cross section passing through the center of an ellipsoid forms an elliptic region while the corresponding plane sections are ellipses on its surface. Cross sectional studies are observational in nature and are known as descriptive research not causal or relational meaning that you can t use them to determine the cause of something such as a disease. Cross section definition in geometry the cross section is defined as the shape obtained by the intersection of solid by a plane.

A section formed by a plane cutting through an object usually at right angles to an axis. Cross section definition a section made by a plane cutting anything transversely especially at right angles to the longest axis. Researchers record the information that is present in a population but they do not manipulate variables.

In geometry it is the shape made when a solid is cut through parallel to the base. In physics the cross section is a measure of probability that a specific process will take place in a collision of two particles. The cross section of three dimensional shape is a two dimensional geometric shape.

A cross section of a polyhedron is a polygon. This is a cross section of a piece of celery. The cross section of this object is a triangle.

How to use cross section in a sentence. In other words the shape obtained by cutting a solid parallel to the base is known as a cross section. This is a cross section of a piece of celery.