In an experiment four quantities a, b, c and d are measured with percentage error 1%, 2%, 3% and 4%
respectively. Quantity P

Question

In an experiment four quantities a, b, c and d are measured with percentage error 1%, 2%, 3% and 4%
respectively. Quantity P is calculated as follows P= % error in P is
47%
C 14%
D 10% (NEET2013)​

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Adalynn 5 months 2021-06-30T08:34:36+00:00 1 Answers 0 views 0

Answers ( )

  1. Autumn
    0
    2021-06-30T08:35:45+00:00
    Reply

    Correct option is

    A

    14%

    P=

    cd

    a

    3

    b

    2

    ⇒

    P

    ΔP

    =3(

    a

    Δa

    ×100)+2(

    b

    Δb

    ×100)+(

    c

    Δc

    +100)+(

    d

    Δd

    ×100)

    =3×1+2×2+3+4

    =3+4+3+4=14%

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