UNITS AND MEASUREMENTS

Front

What instrument is commonly used to measure temperature?

Back

Thermometer

Front

What is the significance of precision in measurement?

Back

The degree of repeatability or reproducibility of a measurement.

Front

What is the definition of accuracy in measurement?

Back

The closeness of a measured value to the true value.

Front

What is the unit for measuring the quantity of matter?

Back

Mole.

Front

What is the significance of physical quantities in physics?

Back

They provide the foundation for scientific understanding.

Front

What is the difference between precision and accuracy?

Back

Precision refers to the repeatability of measurements, while accuracy refers to how close a measurement is to the true value.

Front

What is a derived unit in the context of measurement?

Back

A unit that is defined by a combination of base units, such as meters per second (m/s) for velocity.

Front

What is the SI unit for length?

Back

Meter.

Front

What is the importance of significant figures in measurements?

Back

They indicate the precision of a measurement and help convey the uncertainty in the value.

Front

What is the unit of force in the International System of Units (SI)?

Back

Newton.