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Work, Energy and Power
Question
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What is work done by electrostatic force of nucleus on electron when it revolves around the nucleus?

Answer

Work done by electrostatic force is zero. This is because electrostatic force and instantaneous displacement are always perpendicular to each other. [cos 900 = 0]

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Some More Questions From Work, Energy and Power Chapter

Define the unit joule.

What are different units of energy?

What is watt?

Define watt.

How many joules are there in one eV?

What is the relation between kWh and Joule?

Does the body at rest possess energy?

By eating two apples, a person starts pushing the wall of room. If food value of apple is 100 calories per apple, how much work he will do in pushing the wall in one hour?