Identify the incorrect statement among the following.
has been measured in two experiments as 
and 
, respectively. The second measurement has more precision. 
and 
have been both measured with the same absolute error of 
. Both the measurement are equally accurate. Text Solution
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(b, d) In statement , the percentage error in case of 
length is:
while in case of 
length, it is
As percentage error in case of 
length is greater. So, accuracy is less as compared to that of 
length. Hence this statements is incorrect.
In statement , according to the result of rounding off, if the number to be rounded off is 5 , then the preceding digit remains unchanged if it is even or increased by 1 , if it is odd. So, the correct result is 2.44 . Hence, this is also an incorrect statement.
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