A student performs an experiment to determine the Young's modulus of a wire, exactly 
long, by Searle's method. In a particular reading, the student measures the extension in the length of the wire to be 
with an uncertainty of 
at a load of exactly 
. The student also measures the diameter of the wire to be 0.4 
with an uncertainty of 
. Take 
(exact). The Young's modulus obtained from the reading is:-
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
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