Question

J Which of the following expresses the
most accurate measurement of
length of rod ? ?
A] 0.5m
B) 50cm
c] soomm
D] 500.0mm​

Answer 1

Answer:

option B 50cm

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Answer 2

The most accurate measurement of the length of a rod is in meters:

• The SI unit system, which is the international system of units is the system of measurement that is followed worldwide to measure or quantify different objects.

• It includes seven base units used for measurement as follows:

1. kilograms (kg) - measurement of weight
2. Metre (m) - measurement of length
3. Seconds (s) - measurement of time
4. Ampere (A) - measurement of current
5. Kelvin (K) - measurement of temperature
6. Moles (mol) - measurement of the amount
7. Candela (cd) - measurement of luminous intensity

• In the given question we have been asked to accurately measure the length of a given rod, which will be done in meters.
• Thus, the most accurate measurement of the length of the given rod will be (Option A) 0.5m.