AP-EAPCET SERIES
Physics

Radioactivity

2 previous year questions.

Volume: 2 Ques
Yield: Medium

High-Yield Trend

1
2025
1
2022

Chapter Questions
2 MCQs

01
PYQ 2022
medium
physics ID: ap-eapce
A radioactive element of mass 1 kg after N years is left with only 125 g. If the half life of the element is 12.5 y, then the value of N is
1
37.5 years.
2
25.0 years.
3
50.0 years.
4
75.0 years.
02
PYQ 2025
medium
physics ID: ap-eapce
The half life of a radioactive substance is 10 minutes. If and are the number of atoms decayed in 20 and 30 minutes respectively, then
1
7:8
2
1:2
3
6:7
4
3:4

About Radioactivity - AP-EAPCET

Radioactivity is a vital chapter for AP-EAPCET 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 Radioactivity 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 Radioactivity carry the most weight. Then, tackle the questions iteratively to solidify your understanding.