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प्रश्न
State the energy transformation on the following:
Electricity is obtained from hydro energy.
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उत्तर
Mechanical energy into electrical energy.
संबंधित प्रश्न
Name five different forms of energy.
State the changes in form of energy while producing hydro electricity.
Select the renewable and non-renewable sources of energy from the following:
Oil
Identify the type of energy possessed by the body in each of the following:
(a) A coiled spring of the toy car
(b) A hammer which is raised
(c) A stone shot from a catapult
(d) Water stored in the overhead tank
(e) A tadpole moving in water.
Name the two groups in which various sources of energy are classified?
Give two examples each of renewable and non-renewable sources of energy?
State two advantages and disadvantages of using wind energy for producing electricity.
A body of mass 0.2 kg falls from a height of 10 m to a height of 6 m above the ground. Find the loss in potential energy taking place in the body. [g = 10ms−2]
Unit of calorific value of a substance is ____________.
Energy from various sources is considered to have been derived from the sun. Do you agree? Justify your answer.
