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IB Physics Topic E - Nuclear and Quantum Physics Questionbank

Question

SLPaper 1A

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Which of the following is true about mass-energy changes in nuclear decay?

A

The mass of the products is always greater than the reactants

B

The mass of the products is less, and the difference is released as energy

C

There is no mass difference before and after the reaction

D

The mass increase corresponds to energy absorption

Question

HLPaper 1A

In the Bohr model, which of the following best describes the motion of electrons?

SLPaper 1A

Which statement(s) about moderators in nuclear power plants are correct?

I. A moderator is a good absorber of neutrons.

II. A moderator slows down neutrons.

III. Without a moderator, the power plant will undergo a meltdown.

HLPaper 1A

What is the unit of Planck's constant?

SLPaper 1A

Which of the following is a feature of both the Rutherford model and the Bohr model?

Practice IB Physics Topic Topic E - Nuclear and Quantum Physics with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for Topic E - Nuclear and Quantum Physics and mirrors Paper 1A, 1B, 2 style where relevant.

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