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 do you think was the most serious problem faced by settlers in Virginia? Why?
what is the full definition of adaptation?
Which word correctly completes the sentence? The white-tailed __________ fawn followed closely by her side.  A.deer's  B.deers  C.deers'
What Is the Richest Country in the World?
what did Benjamin franklin feel strong about
a rectangular table top measures 4/9 of a meter long by 4/5 of a meter wide. the area is _____ square meter.
solve for x₁ and x₂6x₁+3x₂=606x₁-2x₂=80
A registered nurse (RN) pays 5% simple interest on a $175,000 mortgage for the construction of a house. What is the yearly interest paid on the mortgage?
The widths of two similar rectangles are 16 cm and 14 cm. What is the ratio of their perimeters? Of their areas? a. 8:7 and 64:49 b. 9:8 and 64:49 c. 8 and 81-
what is the fraction ten twelfths in it's simplest form ?