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प्रश्न
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A compressed spring
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उत्तर
Potential energy (U)
संबंधित प्रश्न
Name the process used for producing electricity using nuclear energy.
Give one example of a body that has potential energy, due to its position at a height.
Give one relevant example for the following transformation of energy:
Electrical energy to mechanical energy.
A body of mass m falls down through a height h. Obtain an expression for the work done by the force of gravity.
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.
State the energy changes in the following case while in use:
an electric cell in a circuit
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
What kind of energy is possessed in a situation when?
An electron spinning around the nucleus.
State the energy changes which take place when:
Burning of coal.
