Assuming a Filament in a 100 W Light Bulb Acts

question 12

Multiple Choice

Assuming a filament in a 100 W light bulb acts like a perfect blackbody,what is the temperature of the hottest portion of the filament if it has a surface area of 6.3 × 10^-⁵ m²? The Stefan-Boltzmann constant is 5.67 × 10^-⁸ W/(m² · K²) .

• A)130 K
• B)1100 K
• C)2300 K
• D)5800 K
• E)30 000 K

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Definitions:

Bank Reconciliation

The process of matching and comparing figures from accounting records against those shown on a bank statement to ensure they are in agreement.

Journal Entries

Records that document financial transactions in an accounting system, indicating the accounts and amounts to be debited and credited.

Bank Memos

Bank memos are notes or records created by a bank to document adjustments made to a bank account, explaining any changes or transactions.

Bank Reconciliation

A process of matching and comparing figures from the accounting records against those shown on a bank statement to ensure they are in agreement and to identify any discrepancies.