A Glass Plate Whose Index of Refraction Is 1

question 16

Multiple Choice

A glass plate whose index of refraction is 1.56 is immersed in a liquid.The surface of the glass is inclined at an angle of 42.0° with the vertical.A horizontal ray in the glass is incident on the interface.When the liquid is a certain alcohol,the incident ray arrives at the interface at the critical angle.What is the index of refraction of the alcohol?

• A) 1.04
• B) 1.02
• C) 1.00
• D) 0.984
• E) 1.06

---

Definitions:

Statute of Frauds

is a legal principle that requires certain types of contracts to be written and signed in order to be enforceable.

Executory Contracts

Contracts under which both parties to the agreement have duties remaining to be performed. If a contract's major obligations are unfulfilled by both parties, it is seen as executory.

One-Year Provision

The one-year provision is a legal clause, often found in statutes of frauds, which requires certain contracts to be in writing and signed if they cannot be performed within one year.

Majority Rule

A principle in democracy stating that the decisions and choices of the greater number of participants should guide the actions and policies of the group.