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Derived Units
Derived Units - The units of all physical quantities can be derived from the seven basic units. These units are called derived units because they can be derived from the basic units algebraically by multiplication and division. It is frequ..
Derived Units
The units of all physical quantities can be derived from the seven basic units. These units are called derived units because they can be derived from the basic units algebraically by multiplication and division. It is frequently necessary to c..
Concentration units
The value of the equilibrium constant also depends upon the units in which concentrations is expresse..
System of units:
Following are the common system of units to measure mass, length and tim..
Unit Vector
It is a vector having unit magnitude. It is used to denote the direction of a given vecto..
Unit of Force
Recall that F = ma We know that SI unit of mass is kg and acceleration is m/s 2 . SI unit of force is kgm/s 2 . But 1kgm/s 2 is defined as 1 Newton in honour of Sir Issac Newton. 1 N = 1 kgm/s..
Unit Vector
Unit Vector - It is a vector having unit magnitude. It is used to denote the direction of a given vector. Any vector can be expressed in terms of its unit vector a in the following way the magnitude of the vector Therefore, if a given vector is divided by its magnitude..
Unit Vector - It is a vector having unit magnitude. It is used to denote the direction of a given vector. Any vector can be expressed in terms of its unit vector a in the following way the magnitude of the vector Therefore, if a given vector is divided by its magnitude..Units of heat
SI unit of heat is the joule (J) CGS unit of heat is erg and 1 joule = 10 7 erg The most commonly used unit of heat is the calorie. One calorie of heat is the quantity of heat required to raise the temperature of 1 g of water through 1 0 C. In this definitio..
Unit Circle
The circle whose radius is 1 unit whose centre is the origin of a rectangular co-ordinate system is called the unit circle. Let q be any real number. Begin at A(1, 0) on the unit circle and measure along the circumference of arc length |l| units. If q > 0 ..
The circle whose radius is 1 unit whose centre is the origin of a rectangular co-ordinate system is called the unit circle. Let q be any real number. Begin at A(1, 0) on the unit circle and measure along the circumference of arc length |l| units. If q > 0 ..Unit of temperature
The S.I. unit of temperature is degrees Kelvin (K) and this scale is known as Kelvin scale. The zero point on the Kelvin scale is known as absolute zero, which is equal to -273.15C. The temperature on the Celsius scale is converted to temperature on Kelvin scale by the addition of 273.15..
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