If a Laser Printer Prints at 600 Dots Per Inch

question 6

Multiple Choice

If a laser printer prints at 600 dots per inch, what is the angular separation of the dots when viewed from 40 cm?

• A) 4.2 × 10^-5 rad
• B) 2.7 × 10^-4 rad
• C) 1.1 × 10^-4 rad
• D) 5.5 × 10^-8 rad
• E) 3.7 × 10^-3 rad

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Definitions:

Iritis

Inflammation of the iris, the colored part of the eye, which can cause pain, light sensitivity, and vision problems.

Color Blindness

A deficiency in the way someone sees color, making it difficult to distinguish between certain colors or shades.

Contrast Sensitivity

The ability to distinguish between variations in light and dark, a critical aspect of vision that affects how well one can perceive fine distinctions in brightness or textures.

Hyperopia

A common vision condition also known as farsightedness, where distant objects can be seen clearly but close ones do not come into proper focus.