Practice Mass – Energy (13.4.1) - NUCLEI - CBSE 12 Physics Part 2
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Mass – Energy

Practice - Mass – Energy

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does E=mc² represent?

💡 Hint: Think of how energy and mass relate!

Question 2 Easy

What is mass defect?

💡 Hint: Consider why a nucleus might weigh less than its individual particles.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does E=mc² tell us?

Mass cannot be converted to energy
Mass can be converted to energy
Energy is unrelated to mass

💡 Hint: Focus on how energy relates to mass!

Question 2

True or False: In nuclear fission, energy is released when a nucleus splits.

True
False

💡 Hint: Consider what happens during fission.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A nuclear reactor converts 2.0 kg of Uranium-235 into energy. How much energy does it release according to E=mc²?

💡 Hint: Remember to use the mass in kilograms.

Challenge 2 Hard

Discuss how mass defect influences nuclear reactions in terms of energy release.

💡 Hint: Reflect on the stability of nuclei and how it relates to mass defect.

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Reference links

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