A $35 - \mathrm { mm }$ Camera Equipped with A $40 - \mathrm { mm }$

question 21

Multiple Choice

A $35 - \mathrm { mm }$ camera equipped with a $40 - \mathrm { mm }$ focal length lens is used to photograph a tree $17 \mathrm {~m}$ tall. If a 32-mm high image of the tree on the CCD sensor is required, how far should the camera lens be from the tree?

• A) \(22 \mathrm {~m}\)
• B) \(26 \mathrm {~m}\)
• C) \(21 \mathrm {~m}\)
• D) \(23 \mathrm {~m}\)
• E) \(24 \mathrm {~m}\)

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Definitions:

Environmental Factors

External elements including climate, ecosystem, and all living and non-living things that affect an individual or population.

Factor Analysis

A statistical method used to describe variability among observed, correlated variables in terms of a potentially lower number of unobserved variables called factors.

Statistical Procedure

A method of collecting, analyzing, interpreting, and presenting data in a meaningful way, using mathematical theories and formulas.

Independent Variable

In a scientific experiment, the variable that the researcher modifies or controls to investigate its influence on the dependent variable.