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Question 18M.3.HL.TZ1.a

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Date May 2018 Marks available [Maximum mark: 2] Reference code 18M.3.HL.TZ1.a
Level HL Paper 3 Time zone TZ1
Command term Describe Question number a Adapted from N/A
a.
[Maximum mark: 2]
18M.3.HL.TZ1.a

Describe the formation of a type Ia supernova.

[2]

Markscheme

a white dwarf accretes mass «from a binary partner»

when the mass becomes more than the Chandrasekhar limit (1.4Ms«then asupernova explosion takes place»

[2 marks]