Two are true, one is not

Exercise and reference answers

Questions

1. False statement

   The newton is a base unit

   Statements

   1. SI has seven base units
   2. The newton is derived
   3. The newton is a base unit

2. False statement

   The mole measures luminous intensity

   Statements

   1. The mole measures luminous intensity
   2. The candela measures luminous intensity
   3. The mole measures amount of substance

3. False statement

   Units differ between countries in SI

   Statements

   1. Units are standardised by agreement
   2. Units differ between countries in SI
   3. Physics rests on measurement

Explanation