Two are true, one is not

Exercise and reference answers

Questions

1. False statement

   The joule is a base unit

   Statements

   1. The metre is a base unit
   2. The joule is a derived unit
   3. The joule is a base unit

2. False statement

   SI has five base units

   Statements

   1. SI has five base units
   2. SI has seven base units
   3. The candela measures luminous intensity

3. False statement

   The mole measures mass

   Statements

   1. The mole measures amount of substance
   2. The mole measures mass
   3. The kelvin measures temperature

Explanation