What is a measuring tape? What is the least count of a measuring tape?

Difficulty: Medium

The measuring tape:

Measuring tapes are used to measure the length in meters and centimeters. A measuring tape used by blacksmiths and carpenters. A measuring tape consists of a thin and long strip of cotton, metal, or plastic generally 10 m, 20 m, 50 m, or 100 m long. Measuring tapes are marked in centimeters as well as in inches.

The least count of measuring tape = 0.1 cm or 1 mm

Mini Exercise

Cut a strip of a paper sheet. Fold it along its length. Now mark centimeters and half a centimeters along its length using a ruler. Answer the following questions:

1. What is the range of your paper scale?

Ans: The range of the paper scale is 20 cm.

2. What is its least count?

Ans: The least count of paper scale is 1 cm.

3. Measure the length of a pencil using you. Paper scale and with a meter ruler. Which one is more accurate and why?

Ans: The measurement of pencil measured by the meter ruler is 4.2 cm. The measurement of a pencil measured by the ruler is more accurate because it even can measure the length in millimeters.