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:

Fixed-Interval

In the context of psychology, a schedule of reinforcement where rewards are given after a specific, constant amount of time has passed.

Stimulus Generalization

The tendency for a conditioned response to be triggered by stimuli similar to the original conditioning stimulus.

Look-Alike Packaging

Packaging designed to mimic the appearance of a popular brand's product, often to confuse consumers or to leverage the brand's identity.

Masked Branding

Masked branding is a strategy where a company's products are marketed without clear association with the parent brand, often to appeal to a different market segment or to test new markets.