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Questions and Answers
Which unit is not required to have its standard definition in the System International (SI)?
Which unit is not required to have its standard definition in the System International (SI)?
- Second
- Kilogram (correct)
- Ampere
- Kelvin
What is the correct order of prefixes for multiples and sub-multiples of units?
What is the correct order of prefixes for multiples and sub-multiples of units?
- Milli, centi, mega, kilo
- Centi, milli, kilo, mega
- Kilo, mega, milli, centi
- Mega, kilo, centi, milli (correct)
Which instrument is used for measuring length and has limitations due to zero error?
Which instrument is used for measuring length and has limitations due to zero error?
- Metre rule
- Screw gauge
- Micrometer
- Vernier Callipers (correct)
Why is it important to use significant figures for recording and stating results in the laboratory?
Why is it important to use significant figures for recording and stating results in the laboratory?
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Which unit is used to measure electric current?
Which unit is used to measure electric current?
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