What is the speed of a particle of mass 10 -27 kg whose wavelength is

PHYSICS
JAMB 1999

What is the speed of a particle of mass 10-27kg whose wavelength is 10-8m. [h = 6.63 x 10-34Js]

  • A. 6.63m/s
  • B. 66.30m/s
  • C. 663.00m/s
  • D. 6630.00m/s

Correct Answer: B. 66.30m/s

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