Physical Quantities and Measurement

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1. 0.2 mm in units of meters is:

 
 
 
 

2. Micrometer can be used to measure:

 
 
 
 

3. The numbers having one significant digit is:

 
 
 
 

4. Which of the following is a base unit?

 
 
 
 

5. Which of following prefix represents a largest value?

 
 
 
 

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

 
 
 
 

7. 9.483 x 10³ m is the standard form of:

 
 
 
 

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

 
 
 
 

9. 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:

 
 
 
 

10. Ratio of millimetre to micrometre is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

Question 1 of 13

 

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