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NEET
Exam
NEET
Subject
Physics
Chapter
Wave Optics

NEET · Physics · Wave Optics

What is the minimal distance z at which a printed page should be...

What is the minimal distance z at which a printed page should be held, to ensure that one does not see the individual dots, if the human eye has an approximate angular resolution of φ = 5.8× 10-4rad and a typical photoprinter prints a minimum of 300 dpi (dots per inch, 1 inch = 2.54 cm)?

Options

  1. A14.5 cm
  2. B15.5 cm
  3. C16.5 cm
  4. D17.5 cm

Correct answer

A. 14.5 cm

Step-by-step solution

Correct Option is : (A)
14.5 cm
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