WBCS.LIVE practice question

Which isotope is commonly used for industrial thickness gauging (e.g., paper, metal)?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Iodine-131
  2. Strontium-90
  3. Americium-241
  4. Cobalt-60

Correct answer and explanation

Correct answer: Strontium-90