Q1 of 6 Page 219

Ramu and Madhu are friends. They wanted to measure the length of a room. Ramu wanted to measure it in foot. But Madhu wanted to measure it in metres. Who is right in measuring the room in the internationally accepted system. Why?

Madhu is right in measuring the room in the internationally accepted system. If we measure length of a room using foot, them different person will measure different length we have to remove this inconsistent. That is the reason we have to use standard measurement. We measure length of room in metre (Symbol m) as it is internationally accepted SI unit of Length.


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2

Match the following

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Which of the following statement is correct?

a. The unit of force is Newton


b. The unit of force is newton

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Murugan measured the electric current. What unit should he use?

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Say true or false.

a. The symbol for units should be written with a small letter.


b. There should be a full stop at the end of a symbol for units.


c. We should not use plurals when we write the unit in words.


d. The SI unit for mass is KG.