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Units and Measu...

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  • Question 1
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    Which of the quantity is dimensionless?

  • Question 2
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    Which of the following physical quantity is dimensionless?

  • Question 3
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    Relative error in Z, given that Z = 1/A2 is:

  • Question 4
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    Numbers of significant figures in the volume of a cube of side 6.103 m are:

  • Question 5
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    The numbers of significant figures in 9.1 x10-31 kg are:

  • Question 6
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    One angstrom is equal to __________ .

  • Question 7
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    A 2.16 g of a substance occupies 1.5 cm3. Its density to appropriate significant figure is:

  • Question 8
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    Parallax method is used to measure:

  • Question 9
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    The error in two readings of A are 0.01 and -0.03, then mean absolute error is ?

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