Fundamental and Derived Quantities in Measurement

What is a quantity in the context of measurement?

• A number without a unit

• Something that can be measured and has a unit

• An abstract concept without physical representation

• A unit without a number

Which of the following is an example of a unit?

• Mass

• Length

• Kilogram

• Volume

What does the process of measuring involve?

• Estimating without any tools

• Using a calculator to find the value

• Guessing the size of an object

• Comparing a quantity with a standard unit

In the sentence 'Adi bought 100 liters of fuel', what is the quantity?

• 100

• Fuel

• Adi

• Liters

What is a standard unit?

• A unit that is consistent and universally accepted

• A unit that varies from person to person

• A unit that is used only in specific regions

• A unit that is not used in scientific measurements

Which of the following is a non-standard unit?

• Jengkal

• Kilogram

• Meter

• Second

What is a fundamental quantity?

• A quantity derived from other quantities

• A basic quantity with a predefined unit

• A quantity that changes with conditions

• A quantity that is not used in physics

Which of the following is a fundamental unit?

• Pascal

• Joule

• Newton

• Candela

How is a derived quantity formed?

• By multiplying or dividing fundamental quantities

• By subtracting one fundamental quantity from another

• By adding two fundamental quantities

• By guessing based on experience

Which of the following is an example of a derived quantity?

• Time

• Length

• Area

• Mass