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Question 18M.2.SL.TZ2.6c.i

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.2.SL.TZ2.6c.i
Level SL Paper 2 Time zone TZ2
Command term Draw Question number c.i Adapted from N/A
c.i.
[Maximum mark: 1]
18M.2.SL.TZ2.6c.i

β– decay is described by the following incomplete Feynman diagram.

(c.i)

Draw a labelled arrow to complete the Feynman diagram.

[1]

Markscheme

line with arrow as shown labelled anti-neutrino/ v ¯

 

Correct direction of the “arrow” is essential

The line drawn must be “upwards” from the vertex in the time direction i.e. above the horizontal

M18/4/PHYSI/SP2/ENG/TZ2/06.c.i/M

[1 mark]

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