The Excited State of a Certain Atom Is 3

question 50

Essay

The excited state of a certain atom is 3.2 eV ± 0.21 eV.( h = 1.055 × 10^-34 J • s = ,1 eV = 1.60 × 10^-19 J)
(a)What is the average lifetime of this state?
(b)If the excited energy were doubled to 6.4 eV ± 0.21 eV,how would the lifetime be affected?

---

Definitions:

External Reporting

The process of presenting financial and other information to external stakeholders, such as investors, regulators, and the public.

Fixed And Variable Costs

Fixed costs remain unchanged regardless of the level of production or sales activity, while variable costs fluctuate with changes in activity.

Committed Fixed Costs

Long-term fixed costs that a business incurs from its commitments, such as leases or contracts, which are difficult to change in the short term.

Depreciation

Depreciation is the accounting method of allocating the cost of a tangible asset over its useful life, reflecting its consumption or wear and tear over time.