The five kingdom Classification, characteristic features and differences.
Robert Whittaker grouped organisms into
Laws Of Chemical Combination And Dalton's Atomic Theory
Lavoisier and Joseph L. Proust proposed two laws of chemical combination. during a chemical reaction, the sum of masses of the reactant and the pro
Atom, Atomic Mass, Atoms Existence And Nomenclature Of Elements
Atoms are extremely small, they are smaller than anything that we can imagine or compare with.For example – more than millions of atoms when stacked
Atoms, Molecules And Ions
The Building block of all matter is called an atom. Atoms are extremely small, smaller than anything that we can imagine or compare with. For exam
Waves and sound - types, production, propagation and characteristics.
As the object moves backward and forward consecutively, a series of compression and rarefaction will be created in the air which will ultimately for
Molecules and ions
A molecule is, in general, a group of two or more atoms that are chemically bounded together by certain attractive forces. For example, Two atom of
Chemical Formula of compounds and rules for writing
The symbolic representation of composition is termed as the chemical formula of a compound. Two things are required to learn and write a chemical f
Molecular Mass and Mole Concept
The summation of the atomic masses of all the atoms in a molecule of the substance is known as the molecular mass of that substance. It is expresse
Sound: Production and propagation
The basic way for the production of Sound is “vibration”. When an object vibrates it produces sound. The matter or substance through which sound is
Speed of sound in different media
The speed of the sound in a medium is affected by the 1. It depends upon the density of the medium. For instance - The speed of sound is maximum
Sound: Reverberation, and Range of Hearing
Reverberation is the persistence of a sound after a sound is produced. A reverberation is created when a sound signal is reflected multiple times un
Applications of Ultrasound (ultrasonic sound waves)
The high frequency waves are known as ultrasound. ultrasonography is also done to examine the foetus during pregnancy to detect defect or growth abn
Structure of Human Ear and Hearing Aid
A hearing aid is a battery-operated, an electronic device that receives sound from the atmosphere and converts it into electrical signals. Humans
prakash chandra •
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11 Nov 2020
Human Endocrine Glands and Their Hormones
Endocrine glands are the ductless glands which pour their secretions directly into the bloodstream. secretions are called as Hormones. human end
Thomson, Rutherford and Bohr model of atom.
Thomson's atomic model proposed that an atom is uniform sphere of positive charges (due to presence of protons ) as well as the negative charges (
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10 Jul 2021
GK Common Abbreviations | General Science One Liners
Here are some Important short forms for scientific terms, substances or organisations.
Red Blood Corpuscle
2 of 11 〉 Full form of G.S.L.V.Geo-synchronous satellite launch Vehicle
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25 Nov 2021
Disease Caused by Bacteria | Biology Notes
Bacterial diseases include any type of illness caused by bacteria. Bacteria are a type of microorganism, which are tiny forms of life that can only be