General Physics 1 Quiz: Units of Measurement

What is the primary purpose of a standard system of measurement?

• To create confusion in data interpretation

• To limit the use of measurements

• To complicate scientific calculations

• To provide a universal reference for units

Which of the following is NOT one of the seven SI base units?

• Second

• Pound

• Meter

• Kilogram

What does the SI unit 'A' stand for?

• Acceleration

• Area

• Altitude

• Ampere

What is the significance of prefixes in SI units?

• To eliminate the need for base units

• To confuse the user

• To standardize the color of units

• To denote the size of the unit

Which of the following is a derived quantity?

• Force

• Length

• Mass

• Time

What is the purpose of converting units?

• To avoid using SI units

• To ensure consistency in calculations

• To make measurements more complex

• To confuse the reader

What is the least count of a measuring instrument?

• The total number of measurements taken

• The average of all measurements

• The maximum measurement it can take

• The smallest division on the instrument

Which of the following describes a systematic error?

• An error that varies randomly

• An error that remains constant

• An error that is always positive

• An error that can be eliminated

What is the correct SI unit for luminous intensity?

• Joule

• Mole

• Candela

• Newton

Which of the following is a characteristic of scientific notation?

• It can express very large or small numbers

• It eliminates the need for units

• It is only used in chemistry

• It is not used in physics