An Oil Layer That Is 5 $39 ^ { \circ }$

question 105

Multiple Choice

An oil layer that is 5.0 cm thick is spread smoothly and evenly over the surface of water on a windless day. A light ray from the air above enters the oil at 45° with the normal and then goes
Into the water. What is the angle of refraction of this ray in the water? The index of refraction for
The oil is 1.15, and for water it is 1.33.

• A) \(39 ^ { \circ }\)
• B) \(27 ^ { \circ }\)
• C) \(36 ^ { \circ }\)
• D) \(32 ^ { \circ }\)

---

Definitions:

Calcium Deficiency

A state where the body lacks enough calcium, leading to weakened bones and other health issues.

Bone Mass

The amount of mineral matter per square centimeter of bones. It is a key indicator of bone strength and health.

Vitamin K

A fat-soluble vitamin important for blood coagulation and bone metabolism, found in green leafy vegetables, fruits, dairy products, and fermented foods.

Leafy Green Vegetables

Plants with edible leaves, such as spinach and kale, known for their nutritional benefits.