What is radian and steradian?
Asked by srikar1009 | 20th Aug, 2010, 12:00: AM
radian is an supplimentary unit for supplimentary quantity angle, while steradian is for solid angle.
Angle = arc/radius,
Solid angle = Area of sphere cutout/radius2.
Answered by | 20th Aug, 2010, 11:18: AM
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