10th Class Science Sample Paper Science Olympiad Model Test Paper-7

  • question_answer
    How many joules of energy are there in 1 eV?

    A) \[1.602\text{ }\times \text{ }{{10}^{-18}}J\]

    B) \[1.602\text{ }\times \text{ }{{10}^{-19}}J\]

    C) \[0.6602\text{ }\times \text{ }{{10}^{-19}}J\]

    D) \[1.602\text{ }\times \text{ }{{10}^{-21}}J\]

    E) None of these

    Correct Answer: B


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