According to the Bohr Model for a Hydrogen Atom, the Lines

question 68

Multiple Choice

According to the Bohr model for a hydrogen atom, the lines on the hydrogen emission spectrum are related to what type of energy change?

• A) Electronic transitions from a higher energy state to a lower energy state.
• B) Electronic transitions from a lower to a higher energy state.
• C) The amount of energy released during high speed collisions of hydrogen molecules.
• D) The amount of energy released when hydrogen molecules are split into hydrogen atoms during an electrical discharge in a vacuum tube.
• E) None of these.

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Definitions:

Earnings Rate

The return on an investment or project expressed as a percentage of the cost, often used to measure profitability.

Present Value Factor

A multiplier used to determine the present value of a future cash flow, taking into account a specific discount rate.

Annuity

An investment vehicle providing a constant flow of payments to the owner, usually utilised as a source of income for retired people.

Net Cash Flow

The variance between the cash coming into and going out of a business within a set timeframe.