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रविन्द्र प्रसाद (वार्ता | योगदान) dvara parivartit 13:58, 30 navambar 2017 ka avataran

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jagadish chndr bos
Jagdish-Chandra-Bose.jpg
poora nam shri jagadish chandr bos
janm 30 navnbar sanh 1858
janm bhoomi memanasinh ganv bngal (ab bangladesh)
mrityu 23 navnbar, sanh 1937
karm bhoomi bharat
karm-kshetr bhautiki, jivabhautiki, jivavigyan, vanaspati vigyan, puratattv, banglasahity, bangla vigyanakathaen.
vishay bhautiki evn jiv vigyan
khoj rediyo, milimitar tarngen, kreskograf
shiksha snatak
vidyalay kalakatta vishvavidyalay, kraist mahavidyalay, kaimbrij vishvavidyalay, lndan vishvavidyalay.
puraskar-upadhi nait, 'raauyal sosayati lndan' ke faloship
nagarikata bharatiy-british

jagadish chndr bos (angrezi: Jagdish Chandra Bose, janm- 30 navnbar, 1858, memanasinh ganv, bngal (vartaman bangladesh); mrityu- 23 navnbar, 1937, giridih, bngal (vartaman bangladesh)) bharat ke prasiddh bhautikavidh tatha padapakriya vaigyanik the. jagadish chndr bos ne kee mahanh grnth bhi likhe hain, jinamen se kuchh nimnalikhit vishayon par adharit hain, jaise- sajiv tatha nirjiv ki abhikriyaen (1902), vanaspatiyon ki abhikriya (1906), paudhon ki prerak yantriki (1926) ityadi.

shiksha

jagadish chndr bos ne gyarah varsh ki ayu tak ganv ke hi ek vidyalay men shiksha grahan ki. usake bad ye kalakatta a gaye aur 'sent jeviyar skool' men pravesh liya. jagadish chndr bos ki jiv vigyan men bahut ruchi thi phir bhi bhautiki ke ek vikhyat pro. phadar laphont ne bos ko 'bhautik shastr' ke adhyayan ke lie prerit kiya. bhautik shastr men bi. e. ki digri prapt karane ke bad 22 varshiy bos chikitsa vigyan ki shiksha ke lie lndan chale ge. magar svasthy ke kharab rahane ki vajah se inhonne chikitsak (daauktar) banane ka vichar chhod diya aur kaimbrij ke 'kraist mahavidyalay' se bi. e. ki digri le li.

adhyapan

jagadish chndr bos varsh 1885 men svadesh laut kar aye aur bhautik vishay ke sahayak pradhyapak ke roop men 'presidensi kaaulej' men adhyapan karane lage. yahan vah 1915 tak karyarat rahe. us samay bharatiy shikshakon ko angrez shikshakon ki tulana men ek tihaee vetan diya jata tha. isaka shri jagadish chndr bos ne bahut virodh kiya aur tin varshon tak bina vetan lie kam karate rahe, jisake karan unaki arthik sthiti kharab ho gee aur un par kafi karz bhi ho gaya tha. is karz ko chukane ke liye unhonne apani pushtaini zamin bhi bech di. chauthe varsh jagadish chndr bos ki jit huee aur unhen poora vetan de diya gaya. bos ek bahut achchhe shikshak bhi the, vah kaksha men padhane ke lie bade paimane par vaigyanik pradarshanon ka prayog karate the. bos ke hi kuchh chhatr satyendranath bos age chalakar prasiddh bhautik shastri bane. presidensi kaaulej se sevanivritt hone par 1917 ee. men inhonne bos risarch instityoot, kalakatta ki sthapana ki aur 1937 tak isake nideshak rahe.

prayog aur saphalata

  • jagadish chndr bos ne sookshm tarngon (maikrovev) ke kshetr men vaigyanik kary tatha apavartan, vivartan aur dhruvikaran ke vishay men apane prayog arnbh kar diye the.
  • laghu tarngadairdhy, rediyo tarngon tatha shvet evn parabaingani prakash donon ke risivar men gelena kristal ka prayog bos ke dvara hi vikasit kiya gaya tha.
  • marakoni ke pradarshan se 2 varsh pahale hi 1885 men bos ne rediyo tarngon dvara betar snchar ka pradarshan kiya tha. is pradarshan men jagadish chndr bos ne door se ek ghanti bajaee aur barood men visphot karaya tha.
  • ajakal prachalit bahut sare maikrovev upakaran jaise vev gaeed, dhruvak, paravaidyut lains, vidyutachumbakiy vikiran ke liye ardhachalak snsoochak, in sabhi upakaranon ka unninsavi sadi ke antim dashak men bos ne avishkar kiya aur upayog kiya tha.
  • bos ne hi soory se ane vale vidyut chumbakiy vikiran ke astitv ka sujhav diya tha jisaki pushti 1944 men huee.
  • isake bad bos ne, kisi ghatana par paudhon ki pratikriya par apana dhyan kendrit kar diya. bos ne dikhaya ki yantrik, tap, vidyut tatha rasayanik jaisi vibhinn prakar ki uttejanaon men sabjiyon ke ootak bhi praniyon ke saman vidyutiy snket utpann karate hain.

'nait' ki upadhi

  • 1917 men jagadish chndr bos ko "nait" ki upadhi pradan ki gee tatha shighr hi bhautik tatha jiv vigyan ke lie 'raauyal sosayati lndan' ke phailo chun lie ge.
  • bos ne apana poora shodhakary kisi achchhe (mahagen) upakaran aur prayogashala se nahin kiya tha, isaliye jagadish chndr bos ek achchhi prayogashala banane ki soch rahe the.
  • 'bos instityoot' (bos vigyan mndir) isi vichar se prerit hai jo vigyan men shodh kary ke lie rashtr ka ek prasiddh kendr hai.

mrityu

jagadish chndr bos ki 23 navnbar, 1937 ko bngal ke giridih nagar men mrityu huee.


panne ki pragati avastha
adhar
prarambhik
madhyamik
poornata
shodh

snbndhit lekh

varnamala kramanusar lekh khoj

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