From the Universe to the Atom

PHY-M8 is worth about 25 marks out of 100 in recent HSC Physics papers. Practise 30 exam-style questions (multi-part, multiple choice, numerical answer, short answer) with instant marking and a worked solution for every question.

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Example questions

Example 1 · 3 marks · multi-part

A sample contains 800 g of a radioisotope with a half-life of 5.0 days.

Example 2 · 1 mark · multiple choice

Uranium-238 ( $_{92}^{238} U$ ) undergoes alpha decay. What is the daughter nucleus?

A $_{90}^{234} Th$
B $_{93}^{238} Np$
C $_{92}^{234} U$
D $_{90}^{236} Th$

Example 3 · 3 marks · multi-part

The mass of a helium-4 nucleus is 4.001506 u. The mass of a proton is 1.007276 u and of a neutron is 1.008665 u. (1 u = 931.5 MeV/c²)

Answers and worked solutions appear when you practise these questions.

From the Universe to the Atom

Example questions

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