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Which of the following measurement is mo...

Which of the following measurement is most precise?

A

5.00 mm

B

5.00cm

C

5.00 m

D

5.00 km

Text Solution

Verified by Experts

The correct Answer is:
A
All given measurements are correct upto two decimal places, As here 5.00 mm has the smallest unit and the error in 5.00 mm is least (commonly taken as 0.01 mm if not specified), hence , 5.00 mm is most precise.
Note: In solving these type of questions, we should be careful about units although their magnitude is same.
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NARAYNA-UNITS AND MEASUREMENTS-NCERT EXEMPLAR QUESTIONS
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  2. The sum of the numbers 436.32, 227.2 and 0.301 in appropriate signific...

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  3. The mass and volume of a body are 4.237 g and 2.5cm^(3) respectively. ...

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  4. The numbers 2.745 and 2.735 on rounding off to 3 significant figures w...

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  5. The length and breadth of a rectangular sheet are 16.2 cm and 10.1cm, ...

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  6. Which of the following pairs of physical quantites does not have same ...

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  7. Measure of two quantites along with the precision of respective measur...

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  8. A person measures two quantities as A = 1.0 m +- 0.2 m ,B = 2.0 m +- 0...

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  9. Which of the following measurement is most precise?

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  10. The mean length of an object is 5 cm. Which of the following measureme...

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  11. Young's modulus of steel is 1.9xx10^(11) N//m^2 When expressed is CGS ...

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  12. If momentum (p), area (A) and time(t) are taken to be fundamental quan...

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  13. On the basis of dimensions, decide which of the following relation for...

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  14. If P, Q, R are physical quantities, having different dimensions, which...

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  15. Photon is quantum of radiation with energy E =hv where v is frequency ...

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  16. If Planck's constant (h) and speed of light in vacuum (c ) are taken ...

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  17. Which of the following ratios express pressure?

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  18. Which of the following are not a unit of time ?

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