The intensity of gamma radiation from a given source is I. On passing through 36 mm of…
Physics · NEET · NTA Exams — Atoms and Nuclei
The intensity of gamma radiation from a given source is I. On passing through 36 mm of lead, it is reduced to 
. The thickness of lead which will reduce the intensity to \(\frac{I}{2}\) will be
. The thickness of lead which will reduce the intensity to \(\frac{I}{2}\) will be- 18 mm
- 12 mm
- 6 mm
- 9 mm
Answer
(D) 9 mm
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