8.Mechanical Properties of Solids
medium

તારને ખેચતા તેમાં એકમ કદ દીઠ સંગ્રહ થતી સ્થિતિસ્થાપક ઊર્જા કેટલી હોય $?$

A

$Fl/2AL$

B

$FA/2L$

C

$FL/2A$

D

$FL/2$

Solution

(a) Energy stored per unit volume $=$ $\frac{1}{2}\left( {\frac{F}{A}} \right)\;\left( {\frac{l}{L}} \right)$$= $$\frac{{Fl}}{{2AL}}$

Standard 11
Physics

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