The Expectations Value of a Function F(x)of X When the Wave

question 19

Multiple Choice

The expectations value of a function f(x) of x when the wave function depends only on x is given by < f(x) > =

• A) \(\int _ { - \infty } ^ { + \infty } \sqrt { f ( x ) } \psi ( x ) d x\) .
• B) \(\int _ { - \infty } ^ { + \infty } f ( x ) \psi ( x ) d x\) .
• C) \(\int _ { - \infty } ^ { + \infty } f ( x ) \psi ^ { * } ( x ) d x\) .
• D) \(\int _ { - \infty } ^ { + \infty } \psi ^ { * } ( x ) f ( x ) \psi ( x ) d x\) .
• E) \(\int _ { - \infty } ^ { + \infty } \psi ^ { * } ( x ) \frac { f ^ { 2 } ( x ) } { 2 } \psi ( x ) d x\) .

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Definitions:

Cash Receipts Journal

A financial journal used to record all cash inflows, tracking receipts from sales, loans, investments, and other sources.

Revenue Journal

A specialized accounting journal used to record the company's revenue transactions, distinguishing them from other types of financial transactions.

Accounts Payable Subsidiary Ledger

The subsidiary ledger containing the individual accounts with creditors (suppliers).

Cash Payments Journal

A business ledger that documents every cash expenditure or payment conducted by a company.