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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.
What are the S.I. and C.G.S units of work? How are they related? Establish the relationship.
A man spends 7.4 KJ energy in displacing a body by 74 m in the direction in which he applies force in 2.5 s. Calculate the force applied.
What do you mean by a centrifugal force?
How much force is applied on a body when 150 J of work is done in displacing the body through a distance of 10 m in the direction of the force?
State the condition when the work done by a force is negative. Explain with the help of examples.
In the following case write yes, if the work is being done and no if no work is being done.
A man moving on the rough ground.
State the S.I. and C.G.S. units of energy. How are they related?
A coolie carrying a load on his head and moving on a frictionless horizontal platform does no work. Explain the reason why.
A man weighing 700 N runs up a flight of 15 steps, each 20 cm high, in 5 seconds. Calculate the power of the man.
