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Significant figure and Rounding off

If we measure a length l=3.267 {~cm} with the help of a screw

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If we measure a length $l = 3.267 cm$ with the help of a screw gauge, then
(a) What is maximum uncertainty or maximum possible error in $l$ ?
(b) How many significant figures are there in the measured length ?
(c) Which digits are absolutely correct and which is/are doubtful ?

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Book:

Mechanics Volume 1 (DC Pandey)

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If we measure a length

l = 3.267 cm

with the help of a screw gauge, then
(a) What is maximum uncertainty or maximum possible error in

l

?
(b) How many significant figures are there in the measured length ?
(c) Which digits are absolutely correct and which is/are doubtful ?

6 mins ago

Discuss this question LIVE

6 mins ago

Text solutionVerified

We have
(a)

0.001 cm

(b) 4
(c) 3,2 and 6 are absolutely correct and 7 is doubtful.

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Question Text	If we measure a length $l = 3.267 cm$ with the help of a screw gauge, then (a) What is maximum uncertainty or maximum possible error in $l$ ? (b) How many significant figures are there in the measured length ? (c) Which digits are absolutely correct and which is/are doubtful ?
Topic	Units and Measurements
Subject	Physics
Class	Class 11
Answer Type	Text solution:1
Upvotes	87

If we measure a length $l = 3.267 cm$ with the help of a screw gauge, then
(a) What is maximum uncertainty or maximum possible error in $l$ ?
(b) How many significant figures are there in the measured length ?
(c) Which digits are absolutely correct and which is/are doubtful ?

Text solutionVerified

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If we measure a length l=3.267 cm with the help of a screw gauge, then(a) What is maximum uncertainty or maximum possible error in l ?(b) How many significant figures are there in the measured length ?(c) Which digits are absolutely correct and which is/are doubtful ?

Text solutionVerified

Practice questions from Mechanics Volume 1 (DC Pandey)

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Practice questions on similar concepts asked by Filo students

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If we measure a length $l = 3.267 cm$ with the help of a screw gauge, then
(a) What is maximum uncertainty or maximum possible error in $l$ ?
(b) How many significant figures are there in the measured length ?
(c) Which digits are absolutely correct and which is/are doubtful ?