This book is based on new academic research in higher education. It mainly deals with the radiation energy, emitted by uniform point-sources, striking 2-D & 3-D objects in the space and advanced knowledge of Geometry & Trigonometry.
1. A new theory of solid angle with basic & applied fundamentals of Geometry, Trigonometry, Calculus & Photometry/Radiometry.
2. Solved examples of numerical problems
3. Chapter wise summary & long exercise &
4. Wide applications of solid angle in Geometry, Photometry/Radiometry & Space science.