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A Vernier callipers has 1 mm marks on th...

A Vernier callipers has `1 mm` marks on the main scale . It has `20 ` equal divisions on the vernier scale , which match with `16 ` main scale divisions . For this vernier callipers, the least count is

A

0.02 mm

B

0.05 mm

C

0.1 s mm

D

0.2 mm

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-UNITS AND MEASUREMENT-EXERCISE - II
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  7. The measured mass the volume of a body are 2.42 and 4.7 cm^3 respectiv...

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  8. A Vernier callipers has 1 mm marks on the main scale . It has 20 equa...

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  9. The relative error in the determination of the surface area of a sphe...

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  10. A student measures the time period of 100 ocillations of a simple pend...

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  11. A force F is applied on a square plate of side L. If the percentage er...

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  12. Which of the following numbers has least number of significant figures...

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  13. The number of significant figures in 0.0006032 is

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  14. State the numberof significant figures in the 6.320 J

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  15. The radius of a circle is 2.12 metre. Its area according to the rule o...

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  16. The number of significant figures in the numbers 4.8000xx10^(4) and 48...

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  17. The mass of a block is 87.2 g and its volume is 25 cm^(3). What is its...

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  18. The length of a rod is measured by different instruments. Of the follo...

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  19. 2.34 is obtained by rounding of the number

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  20. When 0.0003125 is reduced to 3 significant figures its value is

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