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Add 7.21, 12.41 and 0.0028, and express ...

Add 7.21, 12.41 and 0.0028, and express the result the rsult to an appropriate number of significant figures.

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SL ARORA-PHYSICAL WORLD AND MEASUREMENTS-Based on Combination
  1. Add 7.21, 12.41 and 0.0028, and express the result the rsult to an app...

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  2. The length of two rods are recorded as l(1) = (25.2 pm 0.1) cm and l(2...

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  3. Two resistance (200 pm 4) Omega and (150 pm 3) Omega are connected in ...

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  4. The initial and final temperature of water were recorded as (56.3 pm 0...

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  5. If l(1) = (10.0 pm 0.1) cm and l(2) = (9.0 pm 0.1) cm , find the their...

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  6. A capacitor C = (2.0 +- 0.1)muF is charged to a voltage V = (20 +- 0.5...

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  7. The resistance R of a conductor is defind as the ratio of the potentia...

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  8. The relative density of a material is found by weighing the body first...

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  9. The length and breadth of a rectangular block are 25.2 cm and 16.8 cm,...

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  10. While measuring the volume of a sphere , an error of 1.2 % is commited...

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  11. The voltage across a lamp is (6.0 +- 0.1) V and the current passing th...

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  12. The radius of a sphere is measured to be (2.1+-0.5) cm. Calculate its ...

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  13. The radius of a sphere is (5.3 +- 0.1)cm The perecentage error in its ...

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

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

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

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

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  18. The centripetal force acting on a body of mass m moving with speed v a...

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  19. The period of oscillation of a simple pendulum is T = 2 pi sqrt((L)/(g...

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

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

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