Final answer:
The optimal viewing distance for a 720p screen is typically 1.5 to 2.5 times the diagonal size of the screen for a clear and comfortable viewing experience.
Step-by-step explanation:
The optimal viewing distance for a screen resolution of 720p is often debated, but a commonly used guideline is the 1.5 to 2.5 times the diagonal screen size rule. This means if you have a 32-inch TV, you should be sitting anywhere from 48 inches (4 feet) to 80 inches (6.67 feet) away from the screen to perceive full detail without pixilation. However, this can also depend on an individual's visual acuity.
Other factors that can affect the optimal viewing distance include the size of the room and personal preferences. Ultimately, while the 1.5 to 2.5 times guideline provides a rough estimate, it’s best to adjust the distance to where you feel the image is clear and comfortable for viewing.