WBJEE SERIES Physics
Nuclei
5 previous year questions.
Volume: 5 Ques
Yield: Medium
High-Yield Trend
1
2026 1
2018 1
2014 1
2011 1
2010 Chapter Questions 5 MCQs
01
PYQ 2010
medium
physics ID: wbjee-20
Half-life of a radioactive substance is minute. The time between and decay will be :
1
20 min
2
30 min
3
40 min
4
25 min
02
PYQ 2011
medium
physics ID: wbjee-20
ln the nuclear reaction the will be
1
2
3
4
03
PYQ 2014
medium
physics ID: wbjee-20
The energy of gamma ray photon is and that of an X-ray photon is . If the visible light photon has an energy of , then we can say that
1
2
3
4
04
PYQ 2018
medium
physics ID: wbjee-20
If the half life of a radioactive nucleus is days, nearly what fraction of the initial number of nuclei will decay on the rd day ? (Given that )
1
0.63
2
0.5
3
0.37
4
0.13
05
PYQ 2026
medium
physics ID: wbjee-20
Let the binding energy per nucleon of nucleus be denoted by and radius of the nucleus by . If mass numbers of nuclei A and B are 64 and 125 respectively, then
1
2
3
4
About Nuclei - WBJEE
Nuclei is a vital chapter for WBJEE aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Nuclei PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Nuclei carry the most weight. Then, tackle the questions iteratively to solidify your understanding.