Physical Quantities and Measurement

The instrument that best measures the internal diameter of a pipe is:

 
 
 
 

Which of the following prefixes represents the largest value?

 
 
 
 

0.2 mm in units of meters is:

 
 
 
 

Amount of a substance in terms of numbers is measured in:

 
 
 
 

9.483 × 10³ m is the standard form of:

 
 
 
 

Which of the following is a base unit?

 
 
 
 

Which one of the following units is not a derived unit?

 
 
 
 

The number having one significant digit is:

 
 
 
 

A micrometer can be used to measure:

 
 
 
 

Which of the following numbers shows 4 significant digits?

 
 
 
 

The least count of a screw gauge is 0.01 mm. If the main scale reading of the screw gauge is zero and the third line of its circular scale coincides with the datum line, then the measurement on the screw gauge is:

 
 
 
 

The ratio of millimeter to micrometer is:

 
 
 
 

The number of significant figures in 0.00650 s is:

 
 
 
 

Question 1 of 13

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