Question

Statement I: The units of all physical quantities can be expressed as combination of the base units
Statement II: We need only a limited number of units for expressing all the physical quantities

• A. If both statement I and statement II are true and statement II is the correct explanation of statement I.
• B. If both statement I and statement II are true but statement II is not the correct explanation of statement I.
• C. If statement I is true but statement II is false.
• D. If both statement I and statement II are false

Answer 1

Answer: (A)

The unit for the base quantities are called the base units. The units of all other physical quantities can be expressed as combinations of the base units.