logo

Pearson Edexcel GCSE (9-1) Physics practice

A radioactive sample has an initial activity of 480 Bq. After 15 days, its activity has fallen to 60 Bq. Calculate the half-life of this radioactive isotope. Show your working. [4 marks]

Try the question first, then check the answer and practise the same topic again.

Show answerRadioactivity revisionRevise the key idea

At a glance

Question

Type

exam_style

Style

Topic

Radioactivity

Exam-style question

Try this first

A radioactive sample has an initial activity of 480 Bq. After 15 days, its activity has fallen to 60 Bq. Calculate the half-life of this radioactive isotope. Show your working. [4 marks].

Answer and explanation

Attempt the question first, then reveal the model answer and explanation.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

No questions are published for this page yet.
A radioactive sample has an initial activity of 480 Bq. After 15 days, its activity has fallen to 60 Bq. Calculate the half-life of this radioactive isotope. Show your working. [4 | ExamCompanion