What is cross section in radiation?

A useful concept in describing the absorption of radiation in matter is called cross section; it is a measure of the probability that photons interact with matter by a particular process.

What is the meaning of scattering cross section?

A scattering cross-section, σ, is a quantity proportional to the rate at which a particular radiation–target interaction occurs. Dimensionally, a cross-section represents an area, with the basic unit being the barn, which represents an area of 10−28 m 2.

What is cross section with examples?

A cross-section is a shape that is yielded from a solid (eg. cone, cylinder, sphere) when cut by a plane. For example, a cylinder-shaped object is cut by a plane parallel to its base; then the resultant cross-section will be a circle. So, there has been an intersection of the object.

What is cross section for elastic scattering?

Frequently, the elastic scattering cross section is obtained by subtracting the nonelastic cross section from the total cross section. First, the nonelastic cross section, or any part thereof, is not generally measured with the same energy resolution as the total cross section.

Is cross section and transverse section the same?

Essentially, they mean the same with a slight difference. The cross section lies within the body while the transverse may include inside/outside of the body.

What is a cross section in geography?

Cross sections are line graphs that show a sideways view of a landscape. They can show features such as hills and valleys, or depths, such as the depth of a river. Cross sections of hills use contour lines to determine the height of the land.

What is cross section geography?

What is differential and scattering cross section?

The differential (scattering) cross section is defined as the ratio of the intensity of radiant energy scattered in a given direction to the incident irradiance and thus has dimensions of area per unit solid angle. …

What are cross sections used for?

A cross section is the shape that you create when you cut through or make a slice of an object. They allow us to see what’s inside an object. Some of the most famous cross sections are conic sections, cross sections are created by slicing a right cone in various ways.

What is the difference between a section and a cross section?

In a long section, elevations are determined along a fixed route. A cross section is a profile view of a surface at right angles to a particular route. e.g. at right angles to a road, river of railway. Cross section measurements are normally taken at a regular intervals along the route.