As a Rock Sinks Deeper and Deeper into Water of Constant

question 13

Multiple Choice

As a rock sinks deeper and deeper into water of constant density,what happens to the buoyant force exerted on it by water on it if it started above the surface of the water?

• A)The buoyant force keeps increasing steadily.
• B)The buoyant force remains constant.
• C)The buoyant force first increases and then remains constant.
• D)The buoyant force steadily decreases.

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Definitions:

Lens

A transparent optical component that focuses or disperses light rays, used in devices like cameras, glasses, and microscopes.

Transparent Disc

A disc-shaped object made from a material that allows light to pass through it without scattering, making the material itself nearly invisible but still physically present.

Iris

The colored part of the eye that controls the size of the pupil and thus the amount of light that enters the eye.

Cornea

The clear front section of the eye, encompassing the iris, pupil, and front chamber, which plays a primary role in concentrating the majority of light entering the eye.