Tag: units and measurement: error analysis

Question 1

Multiple choice physics units and measurement: error analysis significant figures significant figures and rounding of digits units and measurements

The value due regard to significant figure $ 4.0\times 10^{-4}-2.5\times 10^{-6}$

$\displaystyle 4.0\times 10^{-4}$
$\displaystyle 3.9\times 10^{-4}$
none of the above

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Answer

$\displaystyle 3.975\times 10^{-4}$

Question 2

Multiple choice physics units and measurement: error analysis significant figures significant figures and rounding of digits units and measurements

Length, breadth and thickness of a rectangular slab are 4.234 m, 1.005 m and 2.01 m respectively. Find volume of the slab to correct significant figures.

$\displaystyle 8.552 m^{3}$
$\displaystyle 8.6 m^{3}$
None of the above

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Answer

$\displaystyle 8.55 m^{3}$

Question 3

Multiple choice physics units and measurement: error analysis significant figures significant figures and rounding of digits units and measurements

Write down the number of significant figures in the following value.

$0.0628 cm$

$four$
$three$
$two$
$one$

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Answer

$ 2.88cm^2 $

Question 4

Multiple choice physics units and measurement: error analysis significant figures significant figures and rounding of digits units and measurements

Round off following number upto four significant figures.

$2.00823$

$2.008$
$2.0082$
$2.0083$
$2$

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Question 5

Multiple choice physics units and measurement: error analysis significant figures significant figures and rounding of digits units and measurements

Write down the number of significant figures in 12.00 N.

four
three
two
one

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Question 6

Multiple choice physics units and measurement: error analysis significant figures significant figures and rounding of digits units and measurements

Write down the number of significant figures in 0.00628 cm.

four
three
two
one

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Question 7

Multiple choice physics units and measurement: error analysis significant figures significant figures and rounding of digits units and measurements

Write down the number of significant figures in the following.

$62.00m$

$four$
$three$
$two$
$one$

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Question 8

Multiple choice physics units and measurement: error analysis significant figures significant figures and rounding of digits units and measurements

Write down the number of significant figures in the following.

$6428$

$four$
$three$
$two$
$one$

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Question 9

Multiple choice physics units and measurement: error analysis significant figures significant figures and rounding of digits units and measurements

The area of rectangle of size 1.23cm $ \times $ 2.345cm is ?

$ 2.884cm^2 $
$ 2.9cm^2 $
$ 2.88435cm^2 $

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Question 10

Multiple choice physics units and measurement: error analysis significant figures significant figures and rounding of digits units and measurements

The significant digits in 200.40 are ?

4
5
2
3

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Tag: units and measurement: error analysis

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