KCET Nuclei Weightage 2025
KCET Nuclei Weightage 2025 is expected to be 6%. Test takers can expect 5 to 6 questions from this chapter in the KCET 2025 exam. Candidates can also check the KCET Nuclei important topics here.
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KCET Nuclei Weightage 2025
is expected to be 6% of the Physics Section. Candidates can expect 5 to 6 questions on this topic in the KCET 2025 exam. The At Nuclei chapter includes the Composition and Size of Nucleus, Atomic Masses, Isotopes, Isobars, Isotones, Nuclear Forces, Mass-Energy Relation Mass Defect, Binding Energy per Nucleon and its Variation with Mass Number, Radioactivity(only types of Radioactive decay), Nuclear Fission and Fusion etc. Students preparing for the
KCET 2025
exam should master all the topics to obtain 6% of the weightage of this chapter.
To obtain good marks in the KCET 2025 exam, students should thoroughly prepare all the topics included in the
KCET syllabus 2025
. Solving the
KCET Previous Year Question Papers
will aid aspirants in obtaining
good scores in the KCET 2025 exam
. We have provided the complete information on KCET 2025 Nuclei Weightage along with the previous year's questions here.
Also Read: KCET 2025 Preparation Tips
Expected KCET Nuclei Weightage 2025
Aspirants can refer to the table here to understand the KCET 2025 Nuclei Weightage.
Chapter | Number of Questions | Weightage in Percentage |
Nuclei | 5-6 Questions | 6 |
KCET 2025 Nuclei Topics & Expected Questions
Candidates can check the Nuclei topics and the number of questions asked from this chapter in the exam.
Chapter | Topics included in the chapter | Expected Questions |
Nuclei |
| 5-6 |
Important Topics of KCET 2025 Nuclei
Some of the important topics that the KCET aspirants cannot miss while preparing the Nuclei chapter are:
- Mass Defect and Binding Energy Explanation
- Isobars, Isotones
Best Books for KCET 2025 Nuclei
KCET aspirants can check the best books while studying the Nuclei chapter
- NCERT books of Classes 11&12
- Physics for Karnataka CET & COMEDK
- Fundamentals of Physics by S Chand
- Pradeep's Fundamental Physics
Also Read: KCET Mock Tests
Previous Year Questions of KCET Nuclei
The candidates can refer to some previous year's questions asked from the Nuclei chapter. Check some of the questions here.
- A radioactive sample has a half-life of 3 years. The time required for the activity of the sample to reduce to 1/5th of its initial value is about
- 10 years
- 7 years
- 15 years
- 5 years
Correct Answer: B
- A nucleus with mass number 220 initially at rest emits an alpha particle. If the Q value of the reaction is 5.5 MeV. Calculate the value of the kinetic energy of the alpha particle
- 6.5 MeV
- 5.4 MeV
- 7.4 MeV
- 4.5 MeV
Correct Answer: B
- In a nuclear reactor, heavy nuclei are not used as moderators because
- They will break up
- Elastic collision of neutrons with heavy nuclei will not slow them down
- The net weight of the reactor would be unbearably high
- Substances with heavy nuclei do not occur in liquid or gaseous state at room temperature
Correct Answer: B
- A radioactive element has a half-life of 15 years. What is the fraction that will decay in 30 years?
- 0.25
- 0.5
- 0.75
- 0.85
Correct Answer: C
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