Plane Angle vs Solid Angle | Radian and Steradian скачать в хорошем качестве

Plane Angle vs Solid Angle | Radian and Steradian

In this video, I explain Plane Angle, Radian, and Steradian (Solid Angle) step by step with easy language and handwritten diagrams. 🔹 Topics covered: Plane Angle • Definition of Plane Angle • Formula θ = s / r • What is 1 radian • Why 1 revolution = 2π radians • Degree to radian conversion • Standard angles (30°, 45°, 60°, 90°, 180°, 360°) Steradian (Solid Angle) • What is Solid Angle • Definition of Steradian • Formula Ω = A / r² • Meaning of 1 steradian • Relation between sphere and steradian • Why total solid angle of a sphere = 4π sr 📘 This lecture is very useful for: • Matric & FSC students • O Level & A Level • Entry test preparation • Physics & Mathematics basics Easy explanation with diagrams for concept clarity. 📌 Watch till the end for full understanding of radian and steradian.