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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
Two toy-cars A and B of masses 500 g and 200 g respectively are moving with the same speed. Which of the two has the greater kinetic energy?
Give one relevant example for the following transformation of energy:
Electrical energy to heat energy.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving bus
Name five renewable sources of energy.
Name the energy changes for the following:
pendulum
Name the energy changes for each of the following cases:
dynamo
What do you understand by the kinetic energy of the body?
Calculate the kinetic energy of a body of mass 0.1 kg. and momentum 40kg m/s.
What ts the original source of energy for the electricity produced at a thermal power station?
Unit of calorific value of a substance is ____________.
