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Formerly, Tokha village with two village development committee, Tokha Chandeswori and Tokha Saraswoti is recently changed to the municipality Tokha which consists not only this two V.D.Cs but also Gongabu V.D.C., Dhapasi V.D.C. and Jhor V.D.C. on the same name.

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In linear algebra, the **determinant** is a value that can be computed from the elements of a square matrix and encodes certain properties of the linear transformation described by the matrix. The determinant of a matrix *A* is denoted det(*A*), det *A*, or |*A*|. Geometrically, it can be viewed as the volume scaling factor of the linear transformation described by the matrix. This is also the signed volume of the *n*-dimensional parallelepiped spanned by the column or row vectors of the matrix. The determinant is positive or negative according to whether the linear mapping preserves or reverses the orientation of *n*-space.

In physics, the **kinetic energy** of an object is the energy that it possesses due to its motion.
It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes. The same amount of work is done by the body when decelerating from its current speed to a state of rest.

In Newtonian mechanics, **linear momentum**, **translational momentum**, or simply **momentum** is the product of the mass and velocity of an object. It is a vector quantity, possessing a magnitude and a direction in three-dimensional space. If *m* is an object's mass and **v** is the velocity, then the momentum is

A **propeller** is a type of fan that transmits power by converting rotational motion into thrust. A pressure difference is produced between the forward and rear surfaces of the airfoil-shaped blade, and a fluid is accelerated behind the blade. Propeller dynamics, like those of aircraft wings, can be modelled by Bernoulli's principle and Newton's third law. Most marine propellers are * screw propellers* with fixed helical blades rotating around a horizontal axis or propeller shaft.

In physics, **special relativity** is the generally accepted and experimentally well-confirmed physical theory regarding the relationship between space and time. In Albert Einstein's original pedagogical treatment, it is based on two postulates:

- The laws of physics are invariant in all inertial systems.
- The speed of light in a vacuum is the same for all observers, regardless of the motion of the light source.

In geometry, a **tetrahedron**, also known as a **triangular pyramid**, is a polyhedron composed of four triangular faces, six straight edges, and four vertex corners. The tetrahedron is the simplest of all the ordinary convex polyhedra and the only one that has fewer than 5 faces.

**Voltage**, **electric potential difference**, **electric pressure **or **electric tension** is the difference in electric potential between two points. The difference in electric potential between two points in a static electric field is defined as the work needed per unit of charge to move a test charge between the two points. In the International System of Units, the derived unit for voltage is named *volt*. In SI units, work per unit charge is expressed as joules per coulomb, where 1 volt = 1 joule per 1 coulomb. The official SI definition for *volt* uses power and current, where 1 volt = 1 watt per 1 ampere. This definition is equivalent to the more commonly used 'joules per coulomb'. Voltage or electric potential difference is denoted symbolically by ∆*V*, but more often simply as *V*, for instance in the context of Ohm's or Kirchhoff's circuit laws.

In mathematics, the **quaternions** are a number system that extends the complex numbers. They were first described by Irish mathematician William Rowan Hamilton in 1843 and applied to mechanics in three-dimensional space. A feature of quaternions is that multiplication of two quaternions is noncommutative. Hamilton defined a quaternion as the quotient of two directed lines in a three-dimensional space or equivalently as the quotient of two vectors.

**Capacitance** is the ratio of the change in an electric charge in a system to the corresponding change in its electric potential. There are two closely related notions of capacitance: *self capacitance* and *mutual capacitance*. Any object that can be electrically charged exhibits *self capacitance*. A material with a large self capacitance holds more electric charge at a given voltage than one with low capacitance. The notion of *mutual capacitance* is particularly important for understanding the operations of the capacitor, one of the three elementary linear electronic components.

In mathematics and vector algebra, the **cross product** or **vector product** is a binary operation on two vectors in three-dimensional space
and is denoted by the symbol
. Given two linearly independent vectors
and
, the cross product,
, is a vector that is perpendicular to both
and
and thus normal to the plane containing them. It has many applications in mathematics, physics, engineering, and computer programming. It should not be confused with the dot product.

According to the theory of relativity, **time dilation** is a difference in the elapsed time measured by two observers, either due to a velocity difference relative to each other, or by being differently situated relative to a gravitational field. As a result of the nature of spacetime, a clock that is moving relative to an observer will be measured to tick slower than a clock that is at rest in the observer's own frame of reference. A clock that is under the influence of a stronger gravitational field than an observer's will also be measured to tick slower than the observer's own clock.

A **capacitor** is a passive two-terminal electronic component that stores electrical energy in an electric field. The effect of a capacitor is known as capacitance. While some capacitance exists between any two electrical conductors in proximity in a circuit, a capacitor is a component designed to add capacitance to a circuit. The capacitor was originally known as a **condenser** or **condensator**. The original name is still widely used in many languages, but not commonly in English.

**Dhapasi** is a residentially preferred village and former Village Development Committee that is now part of Tokha Municipality, just outside the Kathmandu Ring Road, in Kathmandu District in Province No. 3 of central Nepal. At the time of the 2011 Nepal census it had a population of 31,406 and had 8,202 households in it.

**Gongabu** is a village and former Village Development Committee that is now part of Tokha Municipality in Kathmandu District in Province No. 3 of central Nepal. At the time of the 2011 Nepal census it had a population of 54,410 and had 14,456 households in it in an area just 270 hectares in size

**Jhor Mahankal** is a village and former Village Development Committee that is now part of Tokha Municipality in Kathmandu District in Province No. 3 of central Nepal. At the time of the 2011 Nepal census it had a population of 4103 and had 873 households in it.Jhor is famoush for Baundeshwor Gufa(Baruneshwor In Swosthani katha)and for the waterfalls.Different caste people lives here mainly Adhikari, Lamichanne,Dulal,Bidari and Tamang are found more.Jhor is not more far the heart of kathmandu just 7 kms.The Jhor Bus station is also located at Simachour(shimchour). Various Buses including Micro buses run to Samakhusi, and to the Ratnapark directly.

**Tokha Chandeshwari** is a village and former Village Development Committee that is now part of Tokha Municipality in Kathmandu District in Province No. 3 of central Nepal. At the time of the 2011 Nepal census it had a population of 3961. Tokha Chandeshwari now is part of Tokha municipality.

**Tokha Saraswati** is a village and former Village Development Committee that is now part of Tokha Municipality in Kathmandu District in Province No. 3 of central Nepal. At the time of the 2011 Nepal census it had a population of 5152.

**Kari Tokha** is a village in the Badhra tehsil of the Charkhi Dadri district in the Indian state of Haryana. Located approximately 45 kilometres (28 mi) West of the district headquarters town of Charkhi Dadri, as of the 2011 Census of India, the village had 180 households with a total population of 1,006 of which 518 were male and 488 female.

**Tokha** is a municipality in Kathmandu District in the Province No. 3 of Nepal that was established on 2 December 2014 by merging the former Village development committees Dhapasi, Jhor Mahankal, Gongabu, Tokha Chandeshwari and Tokha Saraswati on 2 December 2014. The municipality derives its name from the historical town of Tokha.