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प्रश्न
State four ways for the judicious use of energy.
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उत्तर
Four ways for the judicious use of energy:
(a) The fossil fuels such as coal, petroleum, natural gas should be used only for the limited purposes when there is no other alternative source of energy available.
(b) The wastage of energy should be avoided.
(c) Efforts must be made to make use of energy for community or group purposes.
(d) The cutting of trees must be banned and more and more new trees must be roped to grow.
संबंधित प्रश्न
Define calorific value of a fuel.
How many MeV are equivalent to 1 atomic mass unit (u)?
What do you understand by the kinetic energy of a body?
A body of mass m is moving with a velocity v. Write the expression for its kinetic energy.
Select the renewable and non-renewable sources of energy from the following:
Diesel
Name the energy changes for each of the following cases:
dynamo
Name the form of energy in which potential energy can change.
Give one example when:
Potential energy changes to electric energy.
What ts the original source of energy for the electricity produced at a thermal power station?
When and why do clothes smell of naphthalene?
