Complete the quantisation rule

Exercise and reference answers

Missing parts

1. Answer

   integral multiple

   Choices

   1. integral multiple
   2. exact half
   3. irrational multiple

2. Answer

   +e

   Choices

   1. +e
   2. −e
   3. 0

3. Answer

   −e

   Choices

   1. +e
   2. −e
   3. 0

Complete the statement

Quantisation means the total charge of a body is always an {0} of the basic quantum e. A proton carries {1} and an electron carries {2}.

Explanation