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प्रश्न
What kind of energy is possessed in a situation when?
A stone lying on the top of roof.
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उत्तर
Potential Energy.
संबंधित प्रश्न
Write true or false of the following statement.
The energy of flowing water can be converted into electric energy (electricity).
Give one example of a body that has potential energy, due to its position at a height.
State two factors on which the kinetic energy of a moving body depends.
Name two examples in which the mechanical energy of a system remains constant.
A hydroelectric power station takes its water from a lake whose water level is 50 m above the turbine. Assuming an overall efficiency of 40%, calculate the mass of water which must flow through the turbine each second to produce power output of 1 MW. (Take g = 10 m s−2).
What kind of energy is possessed in a situation when?
A shooting arrow.
State the energy changes which take place when:
An air gun is loaded and then fired.
State the energy changes which take place when:
Food is digested by animals.
State the energy transformation on the following:
Electricity is obtained from wind energy.
The solar cooker is an application of the ______ energy of the sun, while solar cells, solar lamps are applications of the ______ energy of the sun.
