Question

Name four devices that can be used to measure length.

Answer 1

Devices used to measure the length:

(1) Metre scale:

1. It is the standard measurement for measuring the length of any object.
2. Example: The length of the square is 5 meters. Here, 5 is the magnitude and meter is the unit of length.

(2) Vernier calipers:

1. A measuring device is used for the measurement of linear dimensions.
2. It is also used for the measurement of diameters of round objects with the help of measuring jars.

(3) Measuring tapes:

1. This hand tool is typically used to measure distance or size.
2. It is a much more flexible ruler that measures imperial readings, metric readings, or both.

(4) Metric rulers:

1. It is the standard instrument for measurement in the scientific laboratory, each individual line represents a millimeter.