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The length of two rods are recorded as l...

The length of two rods are recorded as `l_(1) = (25.2 pm 0.1)` cm and `l_(2) = (16.8 pm 0.1)` cm . Find their combined length .

Text Solution

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The correct Answer is:
`(42.0 pm 0.2)` cm
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The lengths of two rods are recorded as l_(1)=25.2pm0.1cm and l_(2)=16.8pm0.1cm . Find the sum of the lengths of the two rods with the limits of error.

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Knowledge Check

  • Given : l_(i) = 44.2 pm = 0.1 and l_(2) = 23.1 pm 0.1 the uncertainty in l_(1) + l_(2) is

    A
    0
    B
    0.1
    C
    0.2
    D
    0.4

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