Skip to content

Course home

Sign up

6 Radioactivity

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153
Question 87

A solid coating is 0.48 μm0.48\ \mu\mathrm{m}0.48 μm thick. Across its thickness, adjacent atoms touch and each atom has a diameter of 0.16 nm0.16\ \mathrm{nm}0.16 nm.

How many atoms span the coating's thickness?

[1]
A

3

B

3000

C

300

D

30

Markscheme

6 Radioactivity Questions

  1. GCSE
  2. /Physics
  3. /6 Radioactivity

Question bank