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13. tlu ;ria mDIaGhl u; ;nd we; iudk i,skavrdldr Ndck fol yd tlu m;=f, j¾.M,h 40cm jk
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w;r tajd iysk nghl yryd iïnkaO fõ' ku;a wdrïNfh lmdgh jid we;' tl Ndckhl 20cm Wig yd
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wfkl Ndckfh 30cm Wig c,h mrjd we;' tjdfh my<ska we;s lmdgh új¾; l< úg wjidkfh moO;sh u;
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.=re;ajdl¾IKh u.sk isÿ lr we;s ld¾hh m%udKh jkfk"
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01. 0.1 J 02. 1J 03. 5J
04. 10J 05.20J
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14. X fkdokkd ji;=jl yd M kg mähl fofl<drg iïnkaO lrk ,o óg¾ rE,l ix;=,k mysgqu rEmfha oljd
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we;s w;r bk wk;=rej fkdokakd ji;=jla 800kgm jk f;,a udOHhl .,ajk ,È' ix;=,k È. m%udK rEmfh a
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old we;' fkdokkd wia;=j idod we; øjHfh >k;ajh jkfk"
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01. 1600kgm -3 02. 1800 kgm -3 03. 2000
04. 2400 05. 2500
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15. ld,;=jll=jla tljr i¾jiu WKv hq.,hl kl=;a lrk w;r tajd my; rEmfh mßÈ 1 l|jqr yd 2 l|jqr
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fj; b,ll fldg we;' WKav h.,hu i;= wdrïNl m%fõ. tl iudk fõ' my; m%ldY j,ska l=ul i;H fõo@
01. 1 g 2 l|jrg m%:u 1 l|jqr m%ydrh jÈh'
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02. 1 l|jrg m%:u 2 l|jqrg m%ydrh jÈh'
03. l|jqre folgu tlu fudfydf;a m%ydrh jÈhs'
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04. l=ula m%:ufhka m%ydrhg ,lfõo hk mejiSug o;a; m%udKj;a ke;'
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05. 1 l|jr jÈk WKvfha pd,l Yl;sh 2 l|jrg jÈk WKvfha pd,l Yl;shg jvd úYd, úh h;=h'
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