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Three measurements are made as 18.425 cm...

Three measurements are made as 18.425 cm, 7.21 cm and 5.0 cm. The addition should be written as

A

30.635 cm

B

30.64 cm

C

30.63 cm

D

30.6 cm

Text Solution

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The correct Answer is:
D
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DC PANDEY ENGLISH-UNITS, DIMENSIONS & ERROR ANALYSIS -Chapter exercises (taking it together)
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  5. The radius of a circle is 21.2 m. Its area according to the rule of si...

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  6. If the value of resistance is 10.845 ohm and the value of current is 3...

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  8. The length, breadth and thickness of a block are given by l=12 cm , b=...

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  9. Out of following four dimensional quantities, which one quantity is to...

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  11. A physical quantity x is calculated from the relation x = ( a^(2) b^(3...

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  12. With usual notation, the following equation, said to give the distance...

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  13. The velocity v of a particle at time t is given by v=at+b/(t+c), where...

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  14. if the randon error in the arithmetic mean of 50 observations is alpha...

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  15. Velocity v is given by v=at^(2)+bt+c, where t is time. What are the di...

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  16. The square root of the product of inductance and capacitance has the d...

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  17. The frequency of vibration of string is given by v=p/(2l)[F/m]^(1//2)....

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

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

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