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प्रश्न
Fill in the boxe to show the corresponding energy transformation.
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उत्तर
Chemical energy ⇌ Light energy
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संबंधित प्रश्न
A water pump raises 50 litres of water through a height of 25 m in 5 s. Calculate the power of the pump required.
(Take g = 10 N kg-1 and density of water = 1000 kg m-3)
Name the forms of energy which a wound-up watch spring possesses.
The work done on an object does not depend on ______.
Give two examples of couple action in our daily life.
Nm is the unit of .......
When you move upstairs, do you perform some work?
Complete the following sentences:
Joule is the unit of .......
A machine raises a load of 750 N through a height of 16 m in 5s. calculate:
(i) work done by machine,
(ii) power at which the machine works.
A man squatting on the ground gets straight up and stand. The force of reaction of ground on the man during the process is ______.
