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Question 19M.3.sl.TZ2.b

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.3.sl.TZ2.b
Level sl Paper 3 Time zone TZ2
Command term State Question number b Adapted from N/A
b.
[Maximum mark: 1]
19M.3.sl.TZ2.b

This question is about nuclear reactions.

State one advantage of using fusion reactions rather than fission to generate electrical power.

[1]

Markscheme

Any one of:
fuel is inexpensive/readily available  [✔]
no/less radioactive waste is formed [✔]
lower risk of accidents/large-scale disasters [✔]
impossible/harder to use for making materials for nuclear weapons [✔]
larger amounts of energy released per unit mass [✔]
does not require a critical mass [✔]
can be used continuously [✔]

 

NoteAccept “higher specific energy for fusion”.

Do not accept “no/less waste produced for fusion”.

Accept specific example for disasters.

Examiners report

This was a well answered question with most student referring to fusion having less or no nuclear waste. There were many different possible correct answers.