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What is the differecne between the measu...

What is the differecne between the measurements 4.0 cm and 4.000 cm ?

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To understand the difference between the measurements 4.0 cm and 4.00 cm, we need to analyze the concept of significant figures and precision in measurements. ### Step-by-Step Solution: 1. **Identify the Measurements**: - The first measurement is 4.0 cm. - The second measurement is 4.00 cm. ...
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PRADEEP-PHYSICAL WORLD AND MEASUREMENT-Short Answer Questions
  1. Which of the following lengths measured is most accurate and why ? (a)...

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  2. Subtraction of two nearly equal quantites destroy the accuracy. Commen...

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  3. Add 6.75xx10^3 cm to 4.52xx10^2 cm.

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  4. A substance weighing 5.74 g occupies a volume of 1.2cm^3. Caluclate it...

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  5. What is the differecne between the measurements 4.0 cm and 4.000 cm ?

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  6. In a number without decimal , what is the significant of zeros on the ...

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  7. State the number of significant figures in (i) 0.007m (ii) 2.67xx10^(...

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  8. Add 8.2 and 10.163 and round off the sum to proper number of significa...

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  9. The mean value of period of oscillation of a simple pendulum in an ex...

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  10. (a) The earth- moon distance is about 60 earth radius. What wil be th...

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  11. Which of the following time measuring devices is most precise ? (a) A ...

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  12. The distance of a galaxy is of the order of 10^(25)m. Calculate the or...

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  13. The vernier scale of a travelling microscope has 50 division which coi...

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  14. During a total solar ecilpse the moon almost entirely covers the spher...

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  15. If the unit of force is 100 N, unit of length is 10m and unit of time ...

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  16. Give an example of (a) a physical quantiy which has a unit but no dime...

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  17. Calculate the length of the arc of a circle of radius 31.0 cm which su...

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  18. Calculate the solid angle subtended by the periphery of an area of 1 c...

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  19. The displacement of a progressive wave is represented by y = A sin (om...

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  20. Time for 20 oscillations of a pendulum is measured as t1 = 39.6 s , t2...

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