Question 1
Which of the following reactions violates conservation of strangeness?
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Ω−→ 3γ
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Question 2
Which one of the following is not true of neutrinos?
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They have no charge.
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They have no spin.
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One type of neutrino may change into another type of neutrino.
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They are leptons.
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They do not take part in strong nuclear interactions.