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Byju's Answer
Standard IX
Physics
Least Count
A stop watch ...
Question
A stop watch has 10 divisions graduated
between the 0 and 5 s marks. Its least count is
x
2
s
e
c
,
find the value of x.
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Solution
Least count of any instrument is the smallest value of measurement that can be measured using this instrument.
Least count of stopwatch
=
5
−
0
10
=
0.5
s
e
c
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