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प्रश्न
Is it practically possible to convert a form of energy completely into the other useful form? Explain your answer.
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उत्तर
No. This is because, whenever there is a conversion of energy from one form to another, some of the energy is dissipated in the form of heat, which is lost to the surroundings.
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संबंधित प्रश्न
What do you understand by the conservation of mechanical energy?
A body of mass 10 Kg is kept at a height of 5m. It is allowed to fall and reach the ground.
(i) What is the total mechanical energy possessed by the body at the height of 2m assuming it is a frictionless medium ?
(ii) What is the kinetic energy possessed by the body just before hitting the ground ? Take g = 10 m/s2.
What is degraded energy?
Explain the degradation of energy by taking one example of your daily life.
The conversion of part of energy into an undesirable form is called ______.
State the principle of conservation of energy.
