Measerement: Physical Quantity

Measurement is a

• method to determine the value of a physical quantity

• method to analyze data from a scientific investigation

There are examples of base quantity EXCEPT

• Time

• Length

• Velocity

• Electric current

Base quantity is a physical quantity which cannot be derived from another physical quantity

• TRUE

• FALSE

S.I unit for thermodynamic temperature is

• Celsius

• Kelvin

Symbol for mass is

• kg

• m

Terms of base quantities for velocity is

• 
  

  $\iota$ x $\iota$ x $\iota$

• m / V

• $\iota$ / t

Physical quantity which is obtained by combining base quantities are called

• Derived quantity

• Scalar quantities

Vector quantities are physical quantities that have both magnitude and direction

• TRUE

• FALSE

Diagram shows

• Vector quantities

• Scalar quantities

Electric current = 0.25 A

Which one is the magnitude?

• Electric current

• A

• 0.25