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°

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Definitions:

Gametophyte

A stage in the life cycle of plants and algae that is haploid and produces gametes.

Pollen Tube

A long, slender growth from a pollen grain that penetrates the ovule, allowing the sperm to fertilize the egg in plants.

Foreign Plant Species

Plant species that are introduced to a region where they are not native, often leading to ecological changes or disruptions.

Nuclei

Membrane-bound organelles found in eukaryotic cells that contain the cell's genetic material.