Physical Quantities and Measurement

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1. 0.2 mm in units of meters is:

 
 
 
 

2. Which of following prefix represents a largest value?

 
 
 
 

3. Ratio of millimetre to micrometre is:

 
 
 
 

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

 
 
 
 

5. Which of the following is a base unit?

 
 
 
 

6. Micrometer can be used to measure:

 
 
 
 

7. The number of significant figures in 0.00650 s are:

 
 
 
 

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

 
 
 
 

9. The numbers having one significant digit is:

 
 
 
 

10. Which one of the following unit is not a derived unit?

 
 
 
 

11. Which of the following numbers show 4 significant digits?

 
 
 
 

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

 
 
 
 

13. 9.483 x 10³ m is the standard form of:

 
 
 
 

Question 1 of 13

 

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