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

  • question_answer
    Can the overall energy of a body be negative?

    Answer:

                    Yes. As \[E=K+U,\]when \[U\] is negative and has magnitude greater than that of \[K,\text{ }E\] is negative. For example, the energy of an electron bound to the nucleus of an atom is negative.


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