An Optical Fiber with Index of Refraction of 1 $\circ$
B)67

question 60

Multiple Choice

An optical fiber with index of refraction of 1.340 is surrounded by air.What is the critical angle for light to transport through this fiber without loss?

• A)12.56 \(\circ\)
• B)67.44 \(\circ\)
• C)35.62 \(\circ\)
• D)52.23 \(\circ\)
• E)48.27 \(\circ\)

---

Definitions:

Income Statement Debit Column

Typically, an income statement does not use a debit column; instead, expenses decrease revenue to show net income or loss.

Balance Sheet Credit Column

Part of the balance sheet that records liabilities, equity, and certain revenues that increase the company's worth or decrease its debts.

Worksheet

An informal business document used internally for planning and preparatory purposes, assisting in the preparation of financial statements or other reports.

Worksheet

A document or tool used by accountants to record and organize financial data, facilitating the preparation of financial statements.