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Power Introduction
Power - A contractor wishes to lift a load of bricks from the sidewalk to the top of a building by means of a winch. Since we know the expression for work, we can calculate work to be done by the force applied by the winch to lift the load. We are interested in the rate at which it is don..
Power - A contractor wishes to lift a load of bricks from the sidewalk to the top of a building by means of a winch. Since we know the expression for work, we can calculate work to be done by the force applied by the winch to lift the load. We are interested in the rate at which it is don..Nuclear Chemistry Introduction
Introduction - Atoms contain three fundamental particles namely electrons, protons and neutrons. Protons and neutrons constitute the nucleus whereas electrons are present in the extra nuclear region of the atom. Chemical changes are caused by rearrangements of outer electrons wh..
Nuclear Chemistry
Introduction - Atoms contain three fundamental particles namely electrons, protons and neutrons. Protons and neutrons constitute the nucleus whereas electrons are present in the extra nuclear region of the ato..
Nuclear Reactors
The nucleus of an atom possesses high amount of energy which can be used for the electric power generation in nuclear reactors. Here nuclear energy gets converted into electrical ener..
The nucleus of an atom possesses high amount of energy which can be used for the electric power generation in nuclear reactors. Here nuclear energy gets converted into electrical ener..Nuclear Fusion
Though the energy liberated per fusion is smaller that that liberated per fission of U-235 (which is about 200 MeV). Yet the hydrogen bomb is much more powerful than the atomic bomb for the following reasons: i) Mass per atom of deuterium as well as tritium is much smaller than that of ur..
Though the energy liberated per fusion is smaller that that liberated per fission of U-235 (which is about 200 MeV). Yet the hydrogen bomb is much more powerful than the atomic bomb for the following reasons: i) Mass per atom of deuterium as well as tritium is much smaller than that of ur..Tidal Power
The tides are formed due to the gravitational force of attraction between the earth, sun and moon. During high tides sea water is trapped in a reservoir, and released later to drive turbines, which in turn produces electricity. The block diagram given below illustrates the transformation of energy..
The tides are formed due to the gravitational force of attraction between the earth, sun and moon. During high tides sea water is trapped in a reservoir, and released later to drive turbines, which in turn produces electricity. The block diagram given below illustrates the transformation of energy..Introduction
Atoms contain three fundamental particles namely electrons, protons and neutrons. Protons and neutrons constitute the nucleus whereas electrons are present in the extra nuclear region of the atom. Chemical changes are caused by rearrangements of outer electrons while nuclei retain their i..
Introduction
If m is a positive integer, a x a x a . m times is written as a m . a is called the base and m is the power. We read it as "a raised to the power m". The power is also called "the index" or "the exponent". When the power or index is a fraction say then and it..
If m is a positive integer, a x a x a . m times is written as a m . a is called the base and m is the power. We read it as "a raised to the power m". The power is also called "the index" or "the exponent". When the power or index is a fraction say then and it..Introduction
Apart from air, the most abundant substance on the earth is water. Humans need water for drinking, bathing, sanitation, washing, cooking etc. Modern agriculture, industry, transport, power generation, civic facilities etc., cannot exist without wate..
Introduction
Man is surrounded by an ocean of energy. Mankind has tapped only a fraction of it. The most colossal dynamo of all is the sun, an unimaginable vast powerhouse which affects everything on earth. From time immemorial man has learnt to harness this energy. In 100 B.C. Romans used coal as a fuel to pro..
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