$ = \,\,\frac{{13.12}}{5}\,\, = \,\,2.624\,\, \cong \,\,2.62$
$\begin{gathered}
\left( 1 \right)\,\,2.62\,\, - \,\,2.63\,\, = \, - 0.01 \hfill \\
\left( 2 \right)\,\,2.62\,\, - \,\,2.56\,\, = \,\, + 0.06 \hfill \\
\left( 3 \right)\,\,2.62\,\, - \,\,2.42\,\, = \,\, + \;\,0.20 \hfill \\
\left( 4 \right)\,\,2.62\,\, - \,\,2.71\,\, = \,\, - 0.09 \hfill \\
\left( 5 \right)\,\,2.62\,\, - \,\,2.80\,\, = \,\, - 0.18 \hfill \\
\end{gathered} $
સરેરાશ નિરપેક્ષ ત્રુટિ $ = \frac{{0.01\,\, + \;\,0.06\,\, + \;\,0.20\,\, + \;\,0.09\,\, + \;\,0.18}}{5}\,$
$ = \frac{{0.54}}{5}\,\, = \,\,0.108\,\, \cong \,\,0.11s$
ક્રમાંક | મુખ્ય સ્કેલનું માપ $(cm)$ | ગૌણ સ્કેલના કાપા |
$(1)$ | $0.5$ | $8$ |
$(2)$ | $0.5$ | $4$ |
$(3)$ | $0.5$ | $6$ |
જો શૂન્યાંક ત્રુટિ $- 0.03\,cm$ હોય, તો સુધારેલો સરેરાશ વ્યાસ ........... $cm$ થાય.