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11th Class Physics Work, Energy, Power & Collision / कार्य, ऊर्जा और शक्ति Question Bank 11th CBSE Physics Work, Energy, Power & Collision

  • question_answer
    The protons are brought towards each other. Will the potential energy of the system decrease or increase? If a proton and an electron be brought nearer, then?

    Answer:

                    Two protons repel eachother. Work is done by us in bringing them closer. Therefore, RE. increases. Proton and electron attract eachother. Work is done by the field in bringing them nearer. Therefore, RE. decreases.


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