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.
Get instant solutions, detailed explanations, and build confidence with questions aligned to IB examiner expectations.
Which of the following is true about mass-energy changes in nuclear decay?
In the Bohr model, which of the following best describes the motion of electrons?
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.
What is the unit of Planck's constant?
Which of the following is a feature of both the Rutherford model and the Bohr model?
The mass of the products is always greater than the reactants
The mass of the products is less, and the difference is released as energy
There is no mass difference before and after the reaction
The mass increase corresponds to energy absorption
Electrons spiral into the nucleus due to energy loss
Electrons accelerate but do not emit radiation in stable orbits
Electrons radiate continuously while in an orbit
Electrons move randomly in probability clouds
II only
I and II only
I and III only
II and III only
A nucleus composed of protons and neutrons
Electrons orbiting around the nucleus
Electrons in discrete energy levels
Electrons in orbitals around the nucleus
