A Plastic Cube Is Immersed in Water Having an Index

question 63

Short Answer

A plastic cube is immersed in water having an index of refraction of 1.33. A laser beam in the plastic strikes the interface at an angle of 14.5° with the normal in the plastic. In the water, this beam makes an angle of 21.8° with the normal. What is the speed of light in the plastic cube? (c = 3.0 × 10⁸ m/s)

---

Definitions:

Action Statement

A clear, concise declaration outlining a specific action to be taken to achieve a particular objective.

Budget

An estimate of income and expenditure for a set period of time, often used by businesses and governments to plan financial activities and resource allocations.

Strategy

A high-level plan or set of actions designed to achieve long-term objectives or overall goals in a competitive context.

First-Mover Advantage

The competitive advantage gained by a company that first introduces a product or service to the market, often leading to high brand recognition and customer loyalty.