Calculate The Solid Angle Subtended By A Ring Element.
Let us consider a sphere of radius R and a ring element PQTS of thickness PQ on the surface of the shere. OA is normal through the centre of the…
Let us consider a sphere of radius R and a ring element PQTS of thickness PQ on the surface of the shere. OA is normal through the centre of the…
Surface area of a sphere: Let us consider a sphere of radius r with centre at O. Let, PQRS be an elementary surface of area on the surface of the…
Solid angle subtended at the centre of the sphere: Let us consider a sphere of radius r, Now we want to calculate the solid angle at the centre O of…
In spherical polar co-ordinate system, there are three surface elements and . [To know about the three types of area elements and their values (CLICK HERE)] Now in case of…
Solid angle in the spherical polar co-ordinate system: In spherical polar co-ordinate system, there are three area elements and , out of which only the area element subtends a solid…
Solid Angle: The solid angle subtended by a surface at a point is measured by the ratio of the normal component of the area of the surface to the square…
Let us consider a point P in cylindrical co-ordinate system, having cylindrical co-ordinates . The cartesian co-ordinates of the point P is . Let's draw a vertical line PQ on…
Let us consider a point P in cylindrical co-ordinate system, having cylindrical co-ordinates . The cartesian co-ordinates of the point P is . Let's draw a vertical line PQ on…
Let us consider a point P in cylindrical polar co-ordinate system, having cylindrical co-ordinates . The cartesian co-ordinates of the point P is . Let's draw a vertical line PQ…
Let us consider a very small volume element PQRSS’P’Q’R as shown in Fig.1. The lower surface PQRS of this volume element lies on the surface of the sphere of radius…