Page 24 - Bangladesh_classwiz_BOOK2018_rev_Neat

m~Î e¨envi Kivi mgq aªæeK mg~‡ni gvb Avjv`vfv‡e †ei bv K‡iI mivmwi e¨envi Kiv hvq|

D`vniY¯^iƒc, = 1 2 mgxKiYwU‡Z gnvKl©xq aªæeK Gi gvb mivmwi e¨envi Kiv hvq| 10 I
2
15 fi wewkó `yBwU e¯‘ ci¯úi n‡Z . 5 `~i‡Z¡ Ae¯’vb Ki‡j Zv‡`i ga¨Kvi gnvKl©xq e‡ji gvb wb‡Pi
g‡Zv K‡i mivmwi †ei Kiv hvq|

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Dc‡ii w¯Œb n‡Z †`Lv hvq †h, e¯‘ `yBwUi g‡a¨ we`¨gvb gnvKl© e‡ji gvb 4.004 × 10 GB K¨vjKz‡jU‡i
e¨eüZ aªæeK¸‡jv ‘Committee On Data for Science and Technology (CODATA)’ Gi 2010
mv‡j AvšÍR©vwZK e¨env‡ii Gi Dci wfwË K‡i †bIqv n‡q‡Q|

1.14 cwigv‡ci GK‡Ki iƒcvšÍi

weÁvb I cÖhyw³i RM‡Z cÖvq me iKg cwigv‡ci Rb¨ †gwUªK c×wZ e¨envi Kiv n‡jI wKQz wKQz †ÿ‡Î Ab¨vb¨
c×wZ e¨envi Kiv nq| cwigv‡ci wewfbœ iKg GK‡Ki iƒcvšÍi Kivi Rb¨ ClassWiz K¨vjKz‡jU‡i 20 †Rvov

Unit Conversion myweav i‡q‡Q| G¸‡jv‡K 9 wU fv‡M fvM Kiv n‡q‡Q| q8 (CONV) e¨envi K‡i
Gme GK‡K iƒcvšÍi Ki‡Z nq hv wb‡P †`Lv‡bv n‡jv-

Gm‡ei g‡a¨ Length, Gi e¨envi me‡P‡q †ewk hv 1 †P‡c cvIqv hvq| Abyiƒcfv‡e, kw³i GK‡K iƒcvšÍi A_©vr

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Ryj †_‡K K¨vjwi A_ev K¨vjwi †_‡K R‡j iƒcvši m¤¢e| GwU Energy MÖæ‡c cvIqv hv‡e|

‡h msL¨vwU‡K Ryj †_‡K K¨vjwi‡Z iƒcvšÍi Ki‡Z n‡e †mB msL¨vwU cÖ‡ek Kiv‡bvi ci h‡_vchy³ conversion

wbe©vPb Ki‡Z n‡e| Gici = evUb Pvc‡j djvdj cvIqv hv‡e| D`vniY¯^iƒc, 13 Ryj‡K K¨vjwi‡Z iƒcvšÍi
Ki‡Z n‡j cÖ_‡g 13 Pvc‡Z n‡e| Gici q8 †P‡c wØZxq w¯Œ‡b wM‡q Energy wbe©vP‡bi Rb¨ 3 Pvc‡Z
n‡e| AZtci Avevi 3 †P‡c → wbe©vPb K‡i = Pvc‡j djvdj cvIqv hv‡e|

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