Multiple choice

Parallax error during measurement is due to ___________.

  1. incorrect object position

  2. incorrect eye position

  3. incorrect ruler position

  4. not proper light

  5. all of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Yes, it is the correct answer. The eye position should be just above the point to be measured. Incorrect eye position leads to parallax error and gives incorrect reading.