Asked by abhi
what is steradian?
Answers
Answered by
drwls
A steradian is a measure of solid angle.
Imagine that you are at the center of a hollow sphere of radius R. Now consider an area A of that sphere. Divide that area by R^2 and you have the solid angle subtended by A, in steradians.
A full sphere subtends a solid angle of 4 pi steradians, from a point inside
Imagine that you are at the center of a hollow sphere of radius R. Now consider an area A of that sphere. Divide that area by R^2 and you have the solid angle subtended by A, in steradians.
A full sphere subtends a solid angle of 4 pi steradians, from a point inside
Answered by
alisha
A steradian is a measure of solid angle.
Imagine that you are at the center of a hollow sphere of radius R. Now consider an area A of that sphere. Divide that area by R^2 and you have the solid angle subtended by A, in steradians.
A full sphere subtends a solid angle of 4 pi steradians, from a point inside
Imagine that you are at the center of a hollow sphere of radius R. Now consider an area A of that sphere. Divide that area by R^2 and you have the solid angle subtended by A, in steradians.
A full sphere subtends a solid angle of 4 pi steradians, from a point inside
Answered by
drwls
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