KCET SERIES Physics
Half Life
3 previous year questions.
Volume: 3 Ques
Yield: Medium
High-Yield Trend
1
2018 1
2015 1
2014 Chapter Questions 3 MCQs
01
PYQ 2014
medium
physics ID: kcet-201
The relation between half life and decay constant is
1
2
3
4
02
PYQ 2015
hard
physics ID: kcet-201
The half life of a radioactive substance is . The time taken between decay and decay of the substance will be
1
30 minutes
2
40 minutes
3
25 minutes
4
10 minutes
03
PYQ 2018
hard
physics ID: kcet-201
The half-life of tritium is 12.5 years. What mass of tritium of initial mass 64 mg will remain undecayed after 50 years ?
1
32 mg
2
8 mg
3
16 mg
4
4 mg