A Tank Holds a 1

question 12

Multiple Choice

A tank holds a 1.44-m thick layer of oil that floats on a 0.96-m thick layer of brine.Both liquids are clear and do not intermix.Point O is at the bottom of the tank,on a vertical axis.The indices of refraction of the oil and the brine are 1.40 and 1.52,respectively.A ray originating at O crosses the brine-oil interface at a point 0.60 m from the axis.The ray continues and emerges into the air above the oil.What is the angle that the ray in the air makes with the vertical?

• A) 48°
• B) 51°
• C) 54°
• D) 57°
• E) 60°

---

Definitions:

Hawaiian Island

An archipelago in the central Pacific Ocean, consisting of numerous islands and atolls, known for its unique ecosystems and as a popular tourist destination.

Gene Flow

The transfer of genetic variation from one population to another, which can lead to changes in the genetic composition of populations.

Gene Pools

The complete set of unique alleles within a species or population, representing genetic diversity.

Acquired Characteristics

Traits that are gained by an organism after birth as a result of external influences or its own actions, not inherited genetically.