BHU-UET SERIES Physics
Nuclei
2 previous year questions.
Volume: 2 Ques
Yield: Medium
High-Yield Trend
1
2008 1
2007 Chapter Questions 2 MCQs
01
PYQ 2007
medium
physics ID: bhu-uet-
A sample of radioactive element has a mass of at an instant . The approximate mass of this element in the sample after two mean lives is
1
3.70 g
2
6.30 g
3
1.35 g
4
2.50 g
02
PYQ 2008
medium
physics ID: bhu-uet-
Assuming that about of energy is released per fusion reaction then the mass of consumed per day in a fusion reactor of power will approximately be
1
0.001 g
2
0.1 g
3
10.0 g
4
1000 g