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System of units : A complete set of units, both fundamental and derived for all kinds of physical quantities is called system of units. The common systems are given below
(1) CGS system : The system is also called Gaussian system of units. In
Application of Dimensional Analysis.
(1) To find the unit of a physical quantity in a given system of units : In a dimensional formula, replacing M, L and T by the fundamental units of the required system we can get the un
Unit of measurements:-
Fundamental units are those which are neither derived from one another nor can be dissolved. Eg. Units of mass, there are 7
According to John Dalton, matter was made up of extremely small invisible particles called atoms (Greek word) atom means unstable. But according to J.J.Thomson , Goldstein, Ru
Fundamental Concepts in Organic Reaction Mechanism
Concept of homolytic and herterolytic fission
Organic reactions usua
Force
A pull or push which changes or tends to change the state of rest or of uniform motion or directionof motion of any object is called force. F
System of units : A complete set of units, both fundamental and derived for all kinds of physical quantities is called system of units. The common systems are given below
(1) CGS system : The system is also called Gaussian system of units. In it length, mass
When a string under tension is set into vibration, transverse harmonic waves propagate along its length. When the length of string is fixed, reflected waves will also exist. T
Organ pipes are the musical instrument which are used for producing musical sound by blowing air into the pipe. Longitudinal stationary waves are formed on account of superimp
Ecosystem services:-
It is a product of ecological process.
Robert constanza and their
The complex organic compounds (molecules) such as Carbohydrates, Proteins, Nucleic, Acids, Lipids, Hormones, Vitamins etc., Which form the basis of life, are called Bi
Fundamental frequency n = 1
General formula for wavelength
λ =
Dimensions of a Physical Quantity.
The powers to which fundamental quantities must be raised in order to express the given physical quantity are called its dimensions.
To make it more clear, consider the physical quantity force
Discovery of Neutron – discover by James Chadwick that fundamental particle which carries on charge but has a mass nearly equal to that of hydrog
Isomerism:
Isomerism is the phenomenon whereby certain compounds, with the same molecular formula, exist in different forms owing
Chromatin:
The cells of eukaryotic organisms have constant DNA content (C value) that is characteristic for each species and much higher than
(1) Free oscillation
(i) The oscillation of a particle with fundamental frequency under the influence of restoring force are defined as free oscil
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