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प्रश्न
What kind of energy is possessed in a situation when?
A cocked up spring of air gun.
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उत्तर
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
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is at the ground.
A body of mass m falls down through a height h. Obtain an expression for the work done by the force of gravity.
Name six different forms of energy?
The following are some of the energy transformations.
A. Electrical to light
B. Work to heat
C. Chemical to light
D. Electrical to sound
E. Mechanical to electrical
Identify the energy transformation that takes place in the following by inserting the corresponding letter in the shape provided.
(i) A candle flame
(ii) A torch is lighted
(iii) A microphone is used in a meeting
(iv) A cycle dynamo
(v) A piece of metal is being filed
State two advantages and two disadvantages of using hydro-energy for producing electricity.
State the energy changes which take place when:
In a heat engine.
What ts the original source of energy for the electricity produced at a thermal power station?
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A compressed spring
