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The length and breadth of a block are 2....

The length and breadth of a block are 2.00 cm and 3.50 cm. They are measured with the help of vernier callipers having least count 0.01 cm. The sum of the four sides of the block with estimated error is

A

`(11.00pm0.00)` cm

B

`(11.00pm0.01)` cm

C

`(11.00pm0.02)` cm

D

`(11.00pm0.04)` cm

Text Solution

Verified by Experts

The correct Answer is:
D
`l=2.00cm,b=3.50cm,Deltal=Deltab=0.01cm`
Sum of four sides of of block, `L=2(l+b)=(l+b)+(l+b)=11.00cm
`:.DeltaL=(Deltal+Deltab)+(Deltal+Deltab)=0.01xx4=0.04cm`
`:.` Error in sum of four sides of block, `pm(LpmDeltaL)=(11.00pm0.04)cm`.
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