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2 Questions around this concept.
Energy-
The energy of a body is defined as its capacity for doing work.
It is a scalar quantity
Dimension-
Unit-
SI unit - Joule
CGS - Erg
and,
Mass energy equivalence-
Einstein’s special theory of relativity shows that material particle itself is a form of energy.
The relation between the mass of a particle m and its equivalent energy is given as
Where c = velocity of light in vacuum.
E.g - If m =1kg then
Various forms of energy
Mechanical energy (Kinetic and Potential)
Chemical energy
Electrical energy
Sound energy
Heat energy
Light energy
Transformation of energy-
Conversion of energy from one form to another is possible through various devices and processes.
Examples are -
Bulb- Electrical energy gets converted into light energy.
Speaker-Electrical energy gets converted into sound energy.
Heater- Electrical energy gets converted into heat energy
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Last Date to Apply : 15th September | Campuses in Agartala, Aizawl, Ajmer, Aurangabad, Calicut, Imphal, Itanagar, Kohima, Gorakhpur, Patna & Srinagar
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