Multiple choice

Which of the following is considered as a helping hand in the manufacture of paper, plastic and metallic sheets?

  1. Alpha rays

  2. UV rays

  3. Gamma rays

  4. Cosmic rays

  5. X-rays

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

The students may conclude that gamma rays have maximum penetrating power, and therefore, they are used to control the thickness of paper, plastic and metallic sheets during their manufacture.