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Choose the incorrect statement out of th...

Choose the incorrect statement out of the following.

A

`Every measurement by any measuring instrument has some error

B

Every calculated physical quantity that is based on measured values has some error

C

A measurement can have more accuracy but less precision and vice versa

D

The percentage error is different from relative error

Text Solution

Verified by Experts

The correct Answer is:
D
% error = Relative error `xx100.`
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ERRORLESS-UNITS, DIMENSIONS AND MEASUREMENT-NCERT BASED QUESTIONS (Errors of Measurement)
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  2. A body travels uniformly a distance of (13.8pm0.2) m in a time (4.0pm0...

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  4. A physical quantity Y is expressed as Y= (p^2)/(r )((q)/(sqrt(s)))^3 ...

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  5. In an experiment , the following observations were recorded: L = 2.8...

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  6. The percentage errors in the measurement of length and time period of ...

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  7. A physical quantity P is given by P=(A^(3)B^((1)/(2)))/(C^(-4)D^((3)/(...

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  8. The values of two resistors are R(1)=(6+-0.3)kOmega and R(2)=(10+-0.2)...

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  9. The number of significant figures in all the given numbers 25.12, 2009...

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  10. If L=2.331cm,B=2.1cm, then L+B=

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  11. If the length of rod A is 3.25 pm 0.01 cm and that of B is 4.19 pm 0.0...

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

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

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

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

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  16. Which of the following measurement is most precise?

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

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  18. Four students measure the height of a tower. Each student uses a diffe...

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  19. In a vernier callipers, one main scale division is x cm and n division...

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  20. Choose the incorrect statement out of the following.

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