GEOMETRY OF RADIATION Plane Angle Solid Angle Differential Solid Angle ω unit circle unit sphere 1 α ω α = arc length [ radian ] ω = area on a unit sphere α [ steradian] , [ sr ] dA r α s ω A dω = = circle of 2π ⋅ 1 2π ⋅ r sphere of r 4π ⋅ 12 4π ⋅ r 2 radius r
2.1.2) B. Whit the consent of supervisor or the area of specialization coordinator the three elective courses may be chosen from related courses of the other specialization of 400 or 500 level. 2.1.2) C. by the consent of department one of the electives may be an engineering management, engineering economics, etc. course of 400or 500 level.
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