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प्रश्न
Name the quality which is measured in eV
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उत्तर
Energy is meaused in eV
संबंधित प्रश्न
Give an example when work done by the force of gravity acting on a body is zero even though the body gets displaced from its initial position.
State and define the S.I. unit of work.
How is kilowatt hour related to joule?
A body, when acted upon by a force of 10 kgf, gets displaced by 0.5 m. Calculate the work done by the force, when the displacement is (i) in the direction of force, (ii) at an angle of 60° with the force, and (iii) normal to the force. (g = 10 N kg-1)
A boy weighing 350 N climbs up 30 steps, each 20 cm high in 1 minute, Calculate:
- the work done and
- power spent.
State the principle of moments.
State and define the unit of force in the S.I. system.
Derive a relation between the S.I. and C.G.S. unit of force.
A machine raises a load of 750 N through a height of 16 m in 5 seconds. Calculate the power at which the machine works.
