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Measurement. — Science STD 8 — Question

Tamilnadu BoardEnglish MediumSTD 8ScienceMeasurement.4 Marks
Question
What are the differences between plane angle and solid angle?
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Answer

Difference between Plane Angle and Solid Angle:
  • Plane Angle:
  1. The angle between the intersection of two lines or planes.
  2. It is two dimensional
  3. Unit is the radian.
  • Solid Angle:
  1. The angle between the intersection of three or more planes at a common point.
  2. It is three-dimensional.
  3. Unit is steradian.

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