Practice Summary (13.8) - NUCLEI - CBSE 12 Physics Part 2
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SUMMARY

Practice - SUMMARY

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Practice Questions

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Question 1 Easy

What is the atomic mass unit, and why is it used?

💡 Hint: Think about the reference atom chosen for mass comparison.

Question 2 Easy

How many protons are there in an atom of carbon?

💡 Hint: Refer to the periodic table for carbon's atomic number.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the mass number (A)?

Number of Protons
Number of Neutrons
Total Number of Protons and Neutrons

💡 Hint: Consider what contributes to the total 'mass'.

Question 2

Is Radioactivity a phenomenon observed in stable nuclei?

True
False

💡 Hint: Think about how stability vs. instability is related.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Calculate the mass defect of a nucleus given that the total predicted mass of its nucleons is 16.12744 u and the actual mass is 15.99053 u. Express it in MeV.

💡 Hint: Use the mass-energy equivalence to find binding energy.

Challenge 2 Hard

Discuss the energy differences when comparing fission and fusion processes, including their energy outputs.

💡 Hint: Consider the factors affecting energy release in both processes.

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