When a Single-Lens Camera Is Focused on a Distant Object

question 64

Multiple Choice

When a single-lens camera is focused on a distant object, the lens-to-film distance is found to be 40.0 mm. To focus on an object 0.54 m in front of the lens, the film-to-lens distance should be:

• A) 40.0 mm
• B) 37.3 mm
• C) 36.8 mm
• D) 42.7 mm
• E) 43.2 mm

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Definitions:

Maximum Level

The highest allowable or achievable level within a specified context.

Half-life

The period required for the concentration or amount of a particular substance to decrease by half, applied in various contexts such as radioactive decay and pharmacokinetics.

Radioactive Isotope

An isotope of an element that spontaneously undergoes decay, releasing ionizing radiation in the process.

Storage Vial

A small container used for storing liquid samples, often used in scientific laboratories to hold samples securely.