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प्रश्न
Fill in the blank
Energy possessed by a compressed spring is ______ energy.
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उत्तर
Energy possessed by a compressed spring is potential energy.
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संबंधित प्रश्न
Give one relevant example for the following transformation of energy :
Electrical energy to light energy.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A compressed spring
State two characteristic which a source of energy must have.
Select the renewable and non-renewable sources of energy from the following:
Oil
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
Name the form of energy in which potential energy can change.
What kind of energy is possessed in a situation when?
A cocked up spring of air gun.
Two bodies, A and B of equal mass are kept at heights 20 m and 30 m respectively. Calculate the ratio of their potential energies.
A body of mass m falls from a height h1 to a height h2, above the ground (h1 > h2). What is the loss of potential 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]
