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

you shouldconsider theme when trying to determinethe authors messagetrue false
please i need help!! Translate these words into symbols: The sum of fifteen and a number q equals the product of six and a number q
Add. (2x2 - 2x) + (6x – 4)
Which of the following environmental factors likely led to the exponential growth seen in fireweed after the Yellowstone wildfires? increase in habitat increase
What do group numbers on the periodic table identify?
The idea that species are defined based on the ability to interbreed with each other and exchange genes is the basis of which species concept?
Cecily is worried that, with all the recent innovations in computing, her five-year-old laptop and its software will soon be
2. Clay found at the middle and lower elevations with many impurities is called (10 Points) porcelain primary stoneware secondary
WILL GIVE BRAINLIEST AND A THANKS TO FIRST CORRECT ANSWER!!!! Which statements describe processes involved in the accretion of planetesimals and protoplanets?
What does "highly variable" mean in microbiology?