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Units and Measu...

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  • Question 1
    1 / -0

    One nanometer is equal to

  • Question 2
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    Earth`s radius is 6.37 × 106 m and its average density is 5.517 × 103 kg m-3. Calculate the mass of Earth to correct significant figures?

  • Question 3
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    How many significant figures are there in 0.002002 ?

  • Question 4
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    How many significant figures are there in 3.1 + 1.222 ?

  • Question 5
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    How many significant figures are there in 1.000 × 103 ?

  • Question 6
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    Each side of a cube is measured to be 6.154 m, what is the volume of the cube to appropriate significant figures?

  • Question 7
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    The least count of an instrument is 0.01 cm. Taking all precautions, the maximum possible error in the measurement can be

  • Question 8
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    The least count of a stop-watch is 1/5 second. The time of oscillation of a pendulum is measured to be 25 seconds. Minimum percent error in the measurement of time will be

  • Question 9
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    A piece of a metal has volume 20 cc and mass 290 g. The density of the metal will be

  • Question 10
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    The density of a metal is 18.5 gm cm-3. If the volume of metal is 14 cc, then the mass of the metal is

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