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प्रश्न
A body is thrown vertically upwards. Its velocity keeps on decreasing. What happens to its kinetic energy as its velocity becomes zero?
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उत्तर
Kinetic energy changes into potential energy.
संबंधित प्रश्न
Geothermal energy is produced by the:
(a) fission of radioactive materials
(b) burning of coal inside the coal mines
(c) combustion of natural gas deep inside the earth
(d) fusion of radioactive substances
Write true or false of the following statement.
There is always some loss of energy in conversion from one form of energy to another form, so the total energy is not conserved.
Select the renewable and non-renewable sources of energy from the following:
Water
What is geo thermal energy? Explain in brief.
What is wind energy?
How is wind energy used to produce electricity?
State two advantages of using wind energy for generating electricity.
What is dissipation of energy?
Name a device in which solar energy is converted into electricity state its two uses.
State the energy changes which take place when:
Water freezes in the freezing chamber of a fridge.
