Spherical Coordinate System ★ video in HINDI ★ EduPoint

In this Physics / Mathematics video lecture in HINDI we explained the Spherical Coordinate system comparing with Rectangular Cartesian Coordinate system with the help of graph. Spherical coordinate system and Cylindrical Coordinate system are used to locate a point in 3 dimensional (3d) space. These are the 3 dimensional projection of Polar coordinate system. We also explained how to transform those systems into each other, i.e., how to represent a point, depicted in rectangular coordinate system, in Spherical coordinate system and vice versa. In the previous video we talked about the Cylindrical Coordinate system.
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Watch the video on Cylindrical Coordinate System :
• Cylindrical Coordinate...
Watch the video on Polar Coordinate System :
• Polar Coordinate Syste...
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In mathematics, a spherical coordinate system is a coordinate system for three-dimensional space where the position of a point is specified by three numbers: the radial distance of that point from a fixed origin, its polar angle measured from a fixed zenith direction, and the azimuth angle of its orthogonal projection on a reference plane that passes through the origin and is orthogonal to the zenith, measured from a fixed reference direction on that plane. It can be seen as the three-dimensional version of the polar coordinate system.
The radial distance is also called the radius or radial coordinate. The polar angle may be called colatitude, zenith angle, normal angle, or inclination angle.
The use of symbols and the order of the coordinates differs between sources. In one system frequently encountered in physics (r, θ, φ) gives the radial distance, polar angle, and azimuthal angle, whereas in another system used in many mathematics books (r, θ, φ) gives the radial distance, azimuthal angle, and polar angle. In both systems ρ is often used instead of r. Other conventions are also used, so great care needs to be taken to check which one is being used.
A number of different spherical coordinate systems following other conventions are used outside mathematics. In a geographical coordinate system positions are measured in latitude, longitude and height or altitude. There are a number of different celestial coordinate systems based on different fundamental planes and with different terms for the various coordinates. The spherical coordinate systems used in mathematics normally use radians rather than degrees and measure the azimuthal angle counterclockwise from the x-axis to the y-axis rather than clockwise from north (0°) to east (+90°) like the horizontal coordinate system. The polar angle is often replaced by the elevation angle measured from the reference plane. Elevation angle of zero is at the horizon.
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