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IAT IISER2019PhysicsWave Optics

An LED display consists of 100 pixels per cm ^2 . Consider that the diameter of the pupil of the eye is 5 mm and the average wavelength of the display is 575 nm . What is the nearest distance from the display one can be at, such that the display does not appear pixelated?

Options

  1. A30.23
  2. B7.12
  3. C4.52
  4. D20.32

Correct answer

B. 7.12

Step-by-step solution

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