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srkwrI hweI skUl. gWDI ngr. ivSw gixq. divMdr isMG mnIS isMG suKivMdr isMG am pRkwS pRsoqm isMG. DIrj kumwr pRdIp isMG AmndIp isMG hrpRIq isMG kySv Srmw. ividAwrQIAW dy nW. Gxwv Aqy Gx dI sqHw dw KyqrPl.
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srkwrI hweI skUl gWDI ngr ivSw gixq
divMdr isMG mnIS isMG suKivMdr isMG am pRkwS pRsoqm isMG DIrj kumwr pRdIp isMG AmndIp isMG hrpRIq isMG kySv Srmw ividAwrQIAW dy nW
Gxwv Aqy Gx dI sqHw dw KyqrPl ieh ie`k ifkSnrI hY ies qoN Gxwv bxdw hY [ jykr qusIN ies nMuU igPt dyxw hY qW rMgIn kwgj dI loV pvygI ies dy ql nMU F`kx leI Awieqkwr tukVy dI loV pvygI jo ies qrHW dw hY [
ieDr – auDr do isirAW nMU Fu`kx dy leI do lMby Awieqkwr t`ukVy ies qrHW ley jwxgy [ swhmxy qy ip`Cy dy isirAW nMU F`kx dy leI ie`k iBMn mwp dy do hor Awieqkwr t`ukVy ley jwxgy [
ijhVw auprly isry F`kx dy leI ie`k hor Awieqkwr tu`kVw lE TIk AwDwr dy tukVy ijhw hY [ ies nUM auprokq AwikRqI dy s`jy pwsy lwaux qy ies qrHW dI AwikRqI pvygI [
ies qrHW Gxwv dI bwhrI sqHw nMU pUrI qrHW F`ukx dy leI Aqy Cy Awieqkwr tu`kVIAW dw pRXog kIqw hY [ • Gxwv dI sqHw dw KyqrPl = 2 (lb + bh + hl ) • iesy qrHW hI Gx leI kwgj dw pRXog kIqw auh vrgwkwr kwgj dy tukVy hoxgy [ Gx dw sqHeI KyqrPl = 2 6a
AsIN AnykW plytW ie`kTIAW krky ie`k dUjy aup`r r`Kky KVy dw Awieqkwr ies qrHW FyrI lhweIey ik ieh lMb c`krI vylx dI qrHW bx jwvy [ ies dw AwDwr c`krwkwr hY Aqy FyrI nMU AwDwr qoN lMb rUp iv`c r`iKAw igAw hY AwE vyKIey iks qrHW ieh lMb c`krI bylx bxdw hY [ • qusIN ijs vylx nMU vyK rhy ho auh inSicq rUp iv`c c`krwkwr hY qy AwDwr qoN smkox hY [
bylx dI vkr sqHw dw KyqrPl = 2¶rh • bylx dI ku`l sqHweI KyqrPl = 2¶r(r+ h ) • SMkU dI vkr sqHw dw KyqrPl = X l X 2¶r =¶rl • SMkU dI ku`l sqHw dw KyqrPl =¶rl + ¶r = ¶r(l + r) 1 _ 2 2