devondehaven1116 devondehaven1116
  • 04-05-2018
  • Chemistry
contestada

An excited state of a particular atom has a mean lifetime of 6.2×10−10 s , which we may take as the uncertainty δt.

Respuesta :

PBCHEM
PBCHEM PBCHEM
  • 11-05-2018
According to Heisenberg's Uncertainty Principle,
ΔE×Δt ≥  h/(4π)
where h = planck's constant = 6.63 × [tex] 10^{-34} [/tex] J.s

Hence, ΔE ≥ [tex] \frac{h}{4.pi.delta(t)} [/tex] = [tex] \frac{6.63X 10^{-34} }{4X3.142X6.2X 10^{-10}} [/tex]
∴, ΔE ≥ 8.5086 X [tex] 10^{-26} [/tex] J
 
Answer Link

Otras preguntas

what is a large piece of the earth's crust that stands above the oceans
Coal-burning factories and increased automobile usage has caused a significant increase in A) air pollution. B) nuclear waste. C) water pollution. Eliminat
What is an synonym for photosynthesis
the precipitation, average temperatures, and temperature changes in a an area make up the of that area
2cos^2x+sinx=2 domain restriction 0,2pi
squareroot(y-1) + 3 = y
people in wheelchairs find it difficult to pick up thing they dropped on the floor which tool can help
is skin cancer sex linked
Which choice describes how the underlined pronoun is used in the sentence? Who tied for first place in the long jump with Charlotte? direct object subject
Which of the following required all states to return fugitive slaves to their owners? a) the great compromise b) the Connecticut compromise c) the three-fift