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JEE Main & Advanced Chemistry Structure of Atom / परमाणु संरचना Question Bank Numerical Value Type Questions - Structure of Atom

  • question_answer
    Two fast moving particles X and Y are associated with de Broglie wavelengths 1 nm and 4 nm respectively. If mass of X is nine times the mass of Y, then calculate ratio of kinetic energies of X and Y.

    Answer:

    1.77


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