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If l(1) = (10.0 pm 0.1) cm and l(2) = (9...

If `l_(1) = (10.0 pm 0.1)` cm and `l_(2) = (9.0 pm 0.1)` cm , find the their sum , difference and error in each .

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The correct Answer is:
`(19.0 pm 0.2 )` cm , `1% ; (1.0 pm 0.2)` cm , `20%`
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SL ARORA-PHYSICAL WORLD AND MEASUREMENTS-Based on Combination
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  10. The radius of a sphere is measured to be (2.1+-0.5) cm. Calculate its ...

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  12. The measure of the diameter of a cylinder is (1.60 pm 0.01) cm and it...

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  13. The measured mass and volume of a body are 2.00 g and 5.0 cm^(3) respe...

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  14. Two resistance R(1) and R(2) are connected in (i) series and (ii) para...

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  15. A body travels uniformly a distance of ( 13.8 +- 0.2) m in a time (4.0...

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  18. Calculate the percentage error in specific resistance , rho = pi r^(2)...

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  19. The Young's modulus Y is determined by stretching a wire by using the...

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