Multiple choice

what effect can a lens in the eye have on the lasers energy

  1. partially block it

  2. magnify its intensity by as much as 100,000

  3. magnify its intensity by as much as 100

  4. completely block it
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The lens of the human eye acts as a natural magnifier. If a laser beam enters the eye, the lens can focus that energy onto the retina, magnifying its intensity by up to 100,000 times, which causes severe and permanent damage.

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