A Vibrating Tuning Fork of Frequency 640 Hz Is Held

question 59

Multiple Choice

A vibrating tuning fork of frequency 640 Hz is held above a tube filled with water.Assume the speed of sound to be 330 m/s.As the water level is lowered,consecutive maxima in intensity are observed at intervals of about

• A)12.9 cm
• B)19.4 cm
• C)25.8 cm
• D)51.7 cm
• E)194 cm

---

Definitions:

Criterion Variable

The dependent variable in a study that is predicted or explained by the independent variable(s).

Predictor Variable

An independent variable in statistical models that is used to predict or explain changes in the dependent variable (response variable).

Nominal Variable

A nominal variable is a type of categorical variable for which there is no natural ordering among the categories.

Regression Line Formula

An equation that describes the best-fitting straight line through a set of points, indicating the relationship between two variables.