For measuring smaller lengths, units such as centimetres (cm) and millimetres (mm) are used. One centimetre is equal to one-hundredth of a metre (1 cm = 0.01 m), and one millimetre is equal to one-thousandth of a metre (1 mm ...
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For measuring larger lengths, the unit used is the kilometre (km), which is equal to 1000 metres (m). NCERT Book Curiosity Science Class 6 NCERT Session 2024-2025.
There are 10 millimetres (mm) in one centimetre (cm). The relationship is that 1 mm is equal to one-tenth of a centimetre (1 mm = 0.1 cm). Chapter 5 Measurement of length and motion Class VI NCERT Book Curiosity Science
The smallest value of length that can be measured using a 15-cm scale is 1 millimetre (mm). The scale is divided into 15 centimetres (cm), with each centimetre further divided into 10 equal parts, each part being 1 mm.