A Beam of Monochromatic Light Goes from Material 1 with Index

question 28

Multiple Choice

A beam of monochromatic light goes from material 1 with index of refraction n₁ into material 2 with index of refraction n₂.The frequency of light in material 1 is f₁ and in material 2 is f₂.What is the ratio of f₁/f₂?

• A)n₁/n₂
• B)n₂/n₁
• C)1
• D)The values of n₁ and n₂ must be known to find the answer.

---

Definitions:

Cone of Depression

A cone-shaped lowering of the water table around a pumping well, due to the removal of groundwater faster than it can be replenished.

Overpumped

A term usually related to groundwater resources, indicating a condition where water is removed from an aquifer at a rate faster than it can be replenished.

Aquifer

An underground layer of water-bearing permeable rock, rock fractures, or unconsolidated materials (gravel, sand, silt) from which groundwater can be extracted.

Karst Topography

A landscape formed from the dissolution of soluble rocks such as limestone, characterized by sinkholes, caves, and underground streams.