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In an experiment four quantities a,b,c a...

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=(a^(3)b^(2))/(cd)%` error in P is :-

A

`4%`

B

`14%`

C

`10%`

D

`7%`

Text Solution

Verified by Experts

The correct Answer is:
B
P =` (a^(3)b^(2))/(cd) rArr (DeltaP)/(P) xx 100`
`" "= pm ( 3(Deltaa)/(a) + 2 (Delta b)/(b) + (Delta c)/(c ) + (Delta d)/(d)) xx 100`
`= pm ( 3xx 1 + 2xx 2 + 3 +4) = pm 14%`
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ALLEN -PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT -EXERCISE-II NEET-UG 2013
  1. In an experiment four quantities a,b,c and d are measured with percent...

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