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What is a steradian?

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Bobo192

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โˆ™ 2014-07-05 09:32:31

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A steradian is the solid angle subtended at the centre of a sphere by radius r by a portion of the surface of the sphere which has area r2.

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โˆ™ 2014-07-05 09:32:31
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Related questions

What is the ratio between radian and steradian?

1 radian=1.33 steradian


What is the unit of solid angle?

A steradian.


How many degrees are there in one steradian?

65.54


Is there any relatoin between radian and steradian?

nopes. radian is the ratio between the length of an arc and its radius. A steradian can be defined as the solid angle subtended at the center of a unit sphere by a unit area on its surface. For a general sphere of radius r, any portion of its surface with area A = r2 subtends one steradian.


How many radians are in one steradian?

None. A radian is a measure of angular separation in 1-dimensional space, a steradian is a measure in 2-dimensional space. It makes no sense to try to convert from one to the other.


How many degrees are in one steradian?

None. A degree is a measure of angular separation in 1-dimensional space, a steradian is a measure in 2-dimensional space. It makes no sense to try to convert from one to the other.


How many steradian in a hemisphere?

There are 2*pi stradians or tau steradians in a hemisphere.


How many degrees are in one pi steradian?

None. A degree is a measure of angular separation in 1-dimensional space, a steradian is a measure in 2-dimensional space. It makes no sense to try to convert from one to the other.


How is light intensity measured?

Radiant intensity is a radiometric quantity, measured in watts per steradian (W/sr).


What is the si unit of angle?

SI unit of plane angle is radians (rad) and that of solid angle is steradian (sr)


Is there any classification for supplementary units?

Supplementary units are two in numbers. They are radian for plane angle and steradian for solid angle.


How bright is 15000000 candlepower in lumens?

Cannot be converted as the dimensions of the units do not match. You can however convert candlepower to lumen/steradian.

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