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प्रश्न
Name the energy changes for the following:
electric ball
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उत्तर
Electrical energy to sound energy
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संबंधित प्रश्न
(i) The conversion of part of the energy into an undesirable form is called ______________.
(ii) For a given height h, __________________ the length l of the inclined plane, lesser will be the effort required.
Name the type of energy (kinetic or potential) possessed by the following:
A compressed spring.
A body of mass m falls down through a height h. Obtain an expression for the work done by the force of gravity.
What do you understand by the kinetic energy of a body?
A light mass and a heavy mass have equal momentum. Which will have more kinetic energy?
(Hint : Kinetic energy K = P2/2m where P is the momentum.)
What is geo thermal energy? Explain in brief.
How is kinetic energy possessed by a moving body measured?
Give two examples each of renewable and non-renewable sources of energy?
State two advantages and disadvantages of using nuclear energy for producing electricity.
State the energy changes which take place when:
Food is digested by animals.
