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प्रश्न
What is the main energy transformation that occur in:
Photosynthesis in green leaves.
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उत्तर
Light energy of chemical energy.
संबंधित प्रश्न
Name the type of energy (kinetic or potential) possessed by the following:
A compressed spring.
Write an expression for the potential energy of a body of mass m placed at a height h above the earth's surface. State the assumptions made, if any.
Name the form of mechanical energy, which is put to use.
What is tidal? Explain in brief.
A pebble is thrown up. It goes to a height and then comes back on the ground. State the different changes in form of energy during its motion.
Give three examples of bodies possessing kinetic energy.
What kind of energy is possessed in a situation when?
A stone lying on the top of roof.
State the energy changes which take place in Electricity is obtained from solar energy.
State the energy transformation on the following:
Electricity is obtained from wind energy.
In a hydroelectric power station, 1000 kg of water is allowed to drop through a height of 100 m in 1 sec. If the conversion of potential energy to electric energy is 60%. Calculate the power output. [Take: g = 10m/sec2]
