Physical Quantities and Measurement

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

 
 
 
 

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

 
 
 
 

3. Which of following prefix represents a largest value?

 
 
 
 

4. 0.2 mm in units of meters is:

 
 
 
 

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

 
 
 
 

6. Which of the following is a base unit?

 
 
 
 

7. Micrometer can be used to measure:

 
 
 
 

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

 
 
 
 

9. The numbers having one significant digit is:

 
 
 
 

10. 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:

 
 
 
 

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

 
 
 
 

12. Ratio of millimetre to micrometre is:

 
 
 
 

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

 
 
 
 

Question 1 of 13

 

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