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प्रश्न
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उत्तर
Whenever one form of energy dissipates or disappears, another form of equivalent amount of energy is produced; this is referred to as transformation of energy.
E.g. when a particular switch is pressed electric lamps light up owing to the heat produced in the filament. This is the transformation of electrical energy to heat and light energy.
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संबंधित प्रश्न
Fill in the blank
The energy possessed by a body due to its position is called ________ energy.
Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
Give one example to show the conversion of potential energy to kinetic energy when put in use.
A body of mass m falls down through a height h. Obtain an expression for the work done by the force of gravity.
What is the main source of energy for earth?
Is it possible that a body may possess energy even when it is not in motion?
Give one example when:
Mechanical energy to heat energy.
What is the form of that graph between
(i) K.E. and velocity for a constant mass?
(ii) K.E. and mass for a constant velocity?
What is meant by energy?
