Definition of Molecules A molecule is the smallest particle of a substance which can have a separate existence and still […]
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Nature and size of molecule
The Nature and Size of Molecules All matter is made up of tiny particles called molecules. These molecules themselves are […]
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Simple atomic structure
Definition of an Atom An atom is the smallest indivisible particle of an element which can take part in a […]
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Particulate Nature of Matter
The Definition of Matter Matter is anything that has weight and occupies space. Every object or substance is made up […]
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The Shape and Dimension of the Earth
The earth is one of the nine planets in the solar system. It is spherical is shape. It is also […]
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Acceleration Due to Gravity
Acceleration Due to Gravity When an object is dropped from the top of a hill or even a tree, the […]
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Properties of a force field
Properties of a Force Field (i) Properties of Gravitational Field (a) The lines of force are directed towards the centre of […]
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Field Force and Gravity
CONTENT The Concept of Fields Types of Fields Properties of a Force Field Acceleration Due to Gravity Determination of Acceleration […]
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Labour as a factor of production
Labour as a factor of production is defined as both physical and mental effort of man directed to production. Labour […]
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Land as a factor of Production
Land is defined in economics as a free gift of nature. CHARACTERISTICS OF LAND Land is a gift of nature […]