1.1 Physical Quantities

Physical quantity

• Quantity that cannot be measured

• Quantity that can be measured

Derived Quantity

• Quantity that can be expressed in other terms of physical quantity

• Quantity that cannot be expressed in other terms of physical quantity

Base Quantity

• Quantity that can be expressed in other terms of physical quantity

• Quantity that cannot be expressed in other terms of physical quantity

Scalar Quantity

• Quantity that has magnitude only

• Quantity that has both magnitude and direction

Vector Quantity

• Quantity that has both magnitude and direction

• Quantity that has magnitude only

Which quantity is a vector quantity?

• Speed

• Pressure

• Work

• Displacement

Which of the following is a base unit?

• Joule

• Watt

• Pascal

• Second

Which quantity is base quantity?

• Length

• Laju

• Acceleration

• Velocity

Which of the following is a scalar quantity?

• Momentum

• Current

• Velocity

• Force

which of the S.I units of the quantities given is corrent?

• temperature - kelvin

• Time - minutes

• Mass-gram

• Length-centimeter