A-LevelPhysicsNuclear physics9702/12 · Feb/Mar 2016 · Q391 Mark

A nucleus of magnesium decays into a nucleus of sodium by emitting a β⁺ particle. The decay is represented by the equation shown. ²³P Mg → Q Na + ⁰⁺¹β What are the values of P and Q?

AP=22 Q=11

BP=22 Q=13

CP=23 Q=11

DP=23 Q=13

✓ Correct answer

C: P=23 Q=11

Oracle Prep sorts past-paper questions by topic, so you can drill Nuclear physics and see which topics are most likely to come up next.

Topic: Nuclear physics, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Feb/Mar 2016 Paper 1 Variant 2, question 39.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

The results of the α-particle scattering experiment provide evidence for the structure of the atom. Result 1: The va…

When α-particles are directed at gold leaf: 1 almost all α-particles pass through without deflection 2 a few α-partic…

A nucleus X is radioactive and decays into a nucleus Y. X and Y are isotopes of the same element. Which combination o…

In the absence of air resistance, a ball thrown horizontally from a tower with velocity v, will land after time T sec…

A ball falls through a liquid at a constant speed. It is acted upon by three forces: an upthrust, a drag-force and it…

Which statement best represents the principle of conservation of energy?