The Mathematician Johann Jakob Balmer Found That the Formula 1/λ

question 20

Multiple Choice

The mathematician Johann Jakob Balmer found that the formula 1/λ = R (1/n_f² − 1/n_i²) works for the hydrogen emission lines in the visible range, with what value of n_f?

• A) 1
• B) 2
• C) 3
• D) 4
• E) 5

---

Definitions:

Adjusting Entries

Entries recorded in journals at the conclusion of an accounting cycle to properly distribute revenues and expenses to the corresponding period.

Adjusting Entries

Entries made in the accounting records at the end of an accounting period to allocate revenue and expenses to the period in which they actually occurred.

Accruals

Adjusting entries for either accrued revenues or accrued expenses.

Deferrals

Adjusting entries for either prepaid expenses or unearned revenues.