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प्रश्न
Why using wood as fuel is not advisable although wood is a renewable source of energy?
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उत्तर
It is not advisable to use wood as fuel even though it can be replenished because the burning of wood produces smoke that causes pollution which results in environmental imbalance.
संबंधित प्रश्न
How many MeV are equivalent to 1 atomic mass unit (u)?
State two factors on which the kinetic energy of a moving body depends.
Name the type of energy (kinetic or potential) possessed by the following:
A moving cricket ball.
State the energy changes in the following case while in use:
an electric cell in a circuit
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.
How is kinetic energy possessed by a moving body measured?
State the energy changes which take place when:
A car moves up a hill.
Obtain an expression for the kinetic energy of a body of mass m moving with a velocity v?
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