state and describe the two supplementary units
Answers
Answer:
A complementary good is a good whose use is related to use of an associated or paired Two goods (A and B) are complementary if using more of good requires the use of more ofgood B
Answer: There are two supplementary units Radian And Steradian.
Explanation:
Supplementary units will be units other than net mass, for instance, liters, number of parts or square meters. They must be shown for specific merchandise where they are valuable measures for the products concerned. The proper supplementary unit is given, where significant, against headings in the distributed form of the Joined Terminology.
Plane angle
The ratio of length of arc (ds) of an circle to the radius (r) of the circle is called as Plane angle
(dθ) i.e., dθ = d s/r
Thus, dθ is angle subtended by the arc at the center of the circle.
Unit: radian (rad)
Length of arc of circle = Circumference of circle = 2πr.
plane angle subtended by entire circle at its center is θ = 2 π r/r = 2πc
Solid Angle
solid angle is 3-dimensional analogue of plane angle.
Solid angle is defined as area of a portion of surface of a sphere to the square of radius of the sphere. i.e., dΩ = d A/r*2
Unit: Steradian (sr)
Surface area of sphere = 4πr*2
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