Physics, asked by sharmaDua383, 1 year ago

A student writes the length of an object measured from a metre ruler as 4.20 cm. Is he justified in writing this value? Explain

Answers

Answered by Tanvir1591
10
No
The least count of a meter scale is generally 1mm which is 0.1 cm. So you can't measure any length with an accuracy of .01 cm with a meter scale.

He must write 4.2 cm although 4.2 and 4.20 are same
Answered by aprajitasingh32006
1

Answer:

No,correct reading 4.2cm.

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