science
Grade6
Easy

Question

An object is perceived to be moving when its images appear at the rate of ___ images per second.

  1. 12
  2. 24
  3. 9
  4. 5

hintHint:

An object is perceived to be moving when its images appear at the rate of 24 images per second.

The correct answer is: 24


    • The rate is 24 images per second.  It's because our eyes can't process anything moving faster than 24fps.
    • Anything slower than that won't be perceived as it's moving.

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