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प्रश्न
What is the source of heat contained in geothermal energy?
उत्तर
The hot rocks present below the surface of the earth are the sources of the heat provided by geothermal energy.
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संबंधित प्रश्न
What is geothermal energy?
Name the type of energy (kinetic or potential) possessed by the following:
A moving cricket ball.
State different forms of potential energy and give one example of each.
Differentiate between the potential energy (U) and the kinetic energy (K).
Select the renewable and non-renewable sources of energy from the following:
Oil
Show that the quantity 2K/v2 has the unit of mass, where K is the kinetic energy of the body.
Name the form of energy in which potential energy can change.
State the energy changes which take place in Electricity is obtained from solar energy.
State the energy changes which take place when:
Food is digested by animals.
A ball of mass 50 g falls from a height of 2m and rebounds from the ground to 1.6 m. Find:
(i) The potential energy possessed by the ball when initially at rest.
(ii) The kinetic energy of the ball before it hits the ground.
(iii) The final potential energy of the ball.
(iv) The loss in kinetic energy of the ball on collision. (Take: g = 10N kg−1)
