The Bellows of an Adjustable Camera Can Be Extended So

question 54

Multiple Choice

The bellows of an adjustable camera can be extended so that the largest film to lens distance is one and one-half times the focal length.If the focal length is 12 cm, the nearest object which can be sharply focused on the film must be what distance from the lens?

• A)12 cm
• B)24 cm
• C)36 cm
• D)48 cm
• E)72 cm

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Definitions:

Dependent Variable

In an experimental setup, the variable being tested and measured, expected to change as a result of manipulations to the independent variable.

Variability

The degree of spread or dispersion within a set of data points or values, reflecting how much the data points differ from each other.

Mode

The value that appears most frequently in a data set, representing the most common outcome or observation.

Correlated

When two or more variables are related in some way, showing a tendency to vary together, implying a relationship or association between them.