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:

Work-Related Problems

Issues or obstacles that arise in the professional environment that hinder performance, satisfaction, or well-being.

Inner Strength

The personal resilience and mental fortitude that enables an individual to face and overcome challenges.

Remaining Married

The state or condition of continuing to be legally united in marriage, especially in the face of challenges.

Family Therapist

A mental health professional specialized in treating emotional and relational issues within the family system through psychotherapy.