Examlex
An electron is in a harmonic oscillator potential well and is excited from the ground state to the n = 4 state by a photon of wavelength 350.0 nm.If the electron drops back down from the n = 4 state to the n = 2 state by emitting a photon,what wavelength would it have?
Bookkeeping
The recording of financial transactions, and is part of the process of accounting in business, which involves maintaining accurate and systematic records of a company's financial transactions.
Checkbook Register
A document, often accompanying a checkbook, that allows individuals to track their deposits, withdrawals, and current balance for their bank account.
Single-entry System
A basic accounting method where entries are recorded only once, either as an expense or income, making it less intricate but less accurate than the double-entry system.
Double-entry Bookkeeping
An accounting system that records each transaction twice, as both a debit in one account and a credit in another, to ensure accuracy.
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