When a Certain String Is Clamped at Both Ends, the Lowest

question 65

Multiple Choice

When a certain string is clamped at both ends, the lowest four resonant frequencies are 50, 100, 150, and 200 Hz.When the string is also clamped at its midpoint, the lowest four resonant frequencies are:

• A)50, 100, 150, and 200 Hz
• B)50, 150, 250, and 300 Hz
• C)100, 200, 300, and 400 Hz
• D)25, 50 75, and 100 Hz
• E)75, 150, 225, and 300 Hz

---

Definitions:

Uncompacted Clay

Clay in its natural, undisturbed state, not subjected to pressure, and therefore retaining its original volume and porosity.

Permeability

The capacity of a rock or soil to transmit water or other fluids through its pore spaces and fractures.

Highly Fractured Granite

Granite rock that has undergone extensive cracking and breaking, often increasing its permeability and affecting its structural integrity.

Insoluble Material

Substances that cannot dissolve in a solvent, such as water, remaining solid and separated from the liquid mixture.