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प्रश्न
A boy sits and stands repeatedly. Draw a graph showing the variation of potential energy with time.
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उत्तर
संबंधित प्रश्न
State the energy change in the following device while in use:
A loudspeaker
State one important advantage and disadvantage each of using nuclear energy for producing electricity.
Differentiate between the potential energy (U) and the kinetic energy (K).
State two characteristic which a source of energy must have.
Name the two groups in which various sources of energy are classified. State on what basis are they classified.
How much electric power is generated in India using the wing energy?
State two advantages of using wind energy for generating electricity.
State the energy transformation on the following:
Electricity is obtained from nuclear energy.
Name the energy changes for the following:
pendulum
Unit of calorific value of a substance is ____________.
