A Container of Flint Glass (N = 1 $\degree$ B)647 $\degree$ C)411 $\degree$

question 6

Multiple Choice

A container of flint glass (n = 1.66) holds a small quantity of benzene (n = 1.501) .What is the critical angle for internal reflection of a ray in the glass when it is incident on the glass-to-liquid surface?

• A)89.5 \(\degree\)
• B)64.7 \(\degree\)
• C)41.1 \(\degree\)
• D)37.0 \(\degree\)

---

Definitions:

Fixed Costs

Costs that do not change with the level of production or sales activities, such as rent, salaries, and insurance premiums.

Relevant

Pertinent or closely connected to the matter at hand, often used in the context of information or data.

Operating at Capacity

The state of a business or a machine functioning at its maximum output or efficiency.

Maximum Rate

The highest possible level or speed at which something can be achieved or occurs, often used in the context of production or performance.