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The unit of percentage error is...

The unit of percentage error is

A

Same as that of physical quantity

B

Different from that of physical quantity

C

Percentage error is unit less

D

Errors have got their own units which are different from that of physical quantity measured

Text Solution

Verified by Experts

The correct Answer is:
C
% error `=(Deltax)/(x) xx100%` [unitless].
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ERRORLESS-UNITS, DIMENSIONS AND MEASUREMENT-NCERT BASED QUESTIONS (Errors of Measurement)
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  2. The mean time period of second's pendulum is 2.00 s and mean absolute ...

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  3. The unit of percentage error is

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  4. If the error in the measurement of radius of a sphere in 2% then the e...

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  5. A thin copper wire of length l metre increases in length by 2% when he...

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  6. A physical quantity X is given by X=(2k^(3)l^(2))/(msqrt(n)) The p...

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  7. The radius of a sphere is (2.6 pm 0.1) cm The percentage error u iis v...

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  8. The period of oscillation of a simple pendulum in the experiment is re...

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  9. According to Joule's law of heating , heat produced H = I^(2) Rt, wher...

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  10. A physical quantity is given by X=M^(a)L^(b)T^(c). The percentage erro...

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  11. In an experiment to measure the height of a bridge by dropping stone i...

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  12. A student measures that distance traversed in free fall of a body, ini...

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  13. The mass and volume of a body are found to be 5.00 pm 0.05 kg " and "...

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  14. Measure of two quantities along with the precision of respective measu...

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

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  16. A body travels uniformly a distance of (13.8pm0.2) m in a time (4.0pm0...

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  17. A physical parameter a can be determined by measuring the parameters b...

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

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

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

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