Q1 / 160 · AP EAMCET 2018 (24 Apr Shift 2) · Chemistry

If the kinetic energy of an electron of mass $9.0 \times 10^{-31} \mathrm{~kg}$ is $8.0 \times 10^{-25} \mathrm{~J}$, the wavelength of this electron in $\mathrm{nm}$ is

  • A
    1104.1
  • B
    276.2
  • Correct answer
    C
    552.2
  • D
    828.4

Hence, the correct answer is option: 'C'.

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