10 free NEET questions from Nuclei (Class 12 Physics). Instant results, detailed explanations, and your predicted NEET score. No sign-up needed for your first attempt.
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QUESTION 1 OF 10
A radioactive sample has a decay constant of 0.693 per hour. If the initial activity is 1000 Bq, what will be its activity after 2 hours?
A
250 Bq
B
500 Bq
C
750 Bq
D
1000 Bq
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Nuclei is a Class 12 Physics chapter. Expect 1 to 3 questions from this chapter in NEET 2027 based on historical PYQ frequency.
Yes. Nuclei is part of the NTA NEET 2027 rationalized syllabus from NCERT Class 12 Physics. Practice it thoroughly with these free MCQs.
Start with the NCERT Class 12 Physics chapter. Understand all concepts and diagrams first. Then practice these free MCQs to test your understanding. Note every question you get wrong and revise those NCERT sections.
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Yes. All questions are aligned with the NTA NEET 2027 rationalized syllabus and NCERT Class 12 Physics. They follow the NEET format: 4 options, +4 for correct, and −1 for wrong.
Also check out the Physics chapter hub for all 28 Physics chapters, or browse the full NEET mock test hub.