BCECE SERIES
Physics

Half Life Of Radioactive Elements

1 previous year questions.

Volume: 1 Ques
Yield: Medium

High-Yield Trend

1
2017

Chapter Questions
1 MCQs

01
PYQ 2017
medium
physics ID: bcece-20
Cobalt-57 is radioactive, emitting β-particles. The half life for this is 270 days. If 100 mg of this is kept in an ' open container the mass of Cobalt - 57 after 540 days will be
1
50 mg
2
mg
3
25 mg
4
Zero

About Half Life Of Radioactive Elements - BCECE

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