Page 17 - 4th edition Nayi Udaan

Þ paæek dk viuk dksbZ çdk'k ugha gS] esjh I;kjh
vk;ZA ;g dsoy ml ij iM+us okys lw;Z ds çdk'k vki jk{klksa ds ckjs esa ckr dj jgha Fkha] gS uk\
dks ijkofrZr dj jgk gSA eSa jk{klksa ds vfLrRo ds ckjs esa ugha tkurk]
ysfdu LoxZnwr gksrs gSaA LoxZnwr] tks ladV esa
ubZ ubZ tkudkfj;ksa ls vfHkHkwr gksdj vk;Z us fQj yksxksa dh enn djrs gSaA
ç'u fd;k & ;g lc fdlus crk;k] firkth \
vk;ZHkê usA vkidh ek¡ dks gky gh esa Hkxoku~ us ,d nsonwr
ds :i esa dke ij j[kk gSA gesa Hkxoku ls iwNuk
;g çfrHkk'kkyh vk;ZHkê dkSu gSaS\ gksxk fd og dc mls okil vkus dh vuqefr nsrs
gSaA

vk;ZHkê çkphu Hkkjr ds ,d egku xf.krK vkSj
[kxksy'kkL=h FksA foKku vkSj xf.kr esa muds ;g Øwj vkSj vuqfpr gSA gj dksbZ lIrkgkar dh
;ksxnku ds fy, vkt Hkh mUgsa nqfu;k Hkj esa ;kn Nqêh dk gdnkj gSA eq>s mudh cgqr ;kn vkrh
fd;k tkrk gSA vkidk uke Hkh rks mUgha ds uke gSA
ls çsfjr gSA vkidh ek¡ mudh cgqr cM+h ç'kald
gSaA eq>s Hkh csVk & ;g dgrs gq, vk;Z ds firk us
okLro esa! ek¡ us esjk uke mlds uke ij j[kk\ viuh csVh dks dldj xys yxk;k] vkSj mls
vkink f'kfoj esa çnku fd, x, ,dek= dacy ls
gk¡, fç;A <d fy;kA

,d ckj tc og okil vk tk,axh rks eSa vius vk¡lqvksa dks jksddj os lkspus yxs
muls iwNw¡xhA oSls] firkth] os dc okil fd mudh ijhdFkk foKku ds çfr
vk,axh\ mRlkgh vk;Z dks 'kk;n dqN 'kkafr nsA
og mRlqdrk ls viuh ek¡ dh
vk;Z ds firk us viuh iRuh dks Apporva çrh{kk dj jgh Fkh] bl ckr ls
ckrphr esa ykus ds fy, vQlksl djrs vutku fd Hkxoku~ ugha] vaMeku
gq,] tokc nsus esa dqN lsdaM dk le; PGT Physics vkSj fudksckj esa vk;h lqukeh dk
fy;kA SKV No. 1, Gandhi Nagar ikuh mldh eka dks fuxy x;k gSA

#FunFacts How hot water freezes faster

This is known as mpemba effect. It
happens because the velocities of
water particles have a specific
disposition while they are hot that
allows them to freeze more readily.
Nikhil Sharma

15