राष्ट्रीय विज्ञान दिवस
rashtriy vijnan divas
| |
| vivaran | vijnan se hone vale labhoan ke prati samaj mean jagarookata lane aur vaijnanik soch paida karane ke uddeshy se rashtriy vijnan evan praudyogiki parishad tatha vijnan evan praudyogiki mantralay ke tatvavadhan mean pratyek varsh bharat mean 'rashtriy vijnan divas' manaya jata hai. |
| tithi | 28 faravari |
| uddeshy | vidyarthiyoan ko vijnan ke prati akarshit v prerit karana tatha janasadharan ko vijnan evan vaijnanik upalabdhiyoan ke prati sajag banana hai. |
| shuruat | 28 faravari, 1928 ko raman prabhav ki khoj ki huee. isi upalakshy mean bharat mean 1986 se har varsh 28 faravari 'rashtriy vijnan divas' ke roop mean manaya jata hai. |
| any janakari | vijnan ki lokapriyata ko badhava dene ke lie rashtriy evan doosare puraskaroan ki ghoshana bhi ki jati hai. vijnan ki lokapriyata ko badhane ke lie vishesh puraskar bhi rakhe ge haian. |
rashtriy vijnan divas (aangrezi: National Science Day) vijnan se hone vale labhoan ke prati samaj mean jagarookata lane aur vaijnanik soch paida karane ke uddeshy se rashtriy vijnan evan praudyogiki parishad tatha vijnan evan praudyogiki mantralay ke tatvavadhan mean har sal 28 pharavari ko bharat mean manaya jata hai. 28 faravari 1928 ko raman prabhav ki khoj ki huee. isi upalakshy mean bharat mean 1986 se har varsh 28 faravari 'rashtriy vijnan divas' ke roop mean manaya jata hai.
uddeshy
rashtriy vijnan divas ka mool uddeshy vidyarthiyoan ko vijnan ke prati akarshit v prerit karana tatha janasadharan ko vijnan evan vaijnanik upalabdhiyoan ke prati sajag banana hai. is din sabhi vijnan sansthanoan, jaise rashtriy evan any vijnan prayogashalaean, vijnan akadamiyoan, skool aur k aaulej tatha prashikshan sansthanoan mean vibhinn vaijnanik gatividhiyoan se sanbandhit program ayojit kie jate haian. mahattvapoorn ayojanoan mean vaijnanikoan ke lekchar, nibandh, lekhan, vijnan prashnottari, vijnan pradarshani, seminar tatha sangoshthi ityadi sammilit haian. vijnan ki lokapriyata ko badhava dene ke lie rashtriy evan doosare puraskaroan ki ghoshana bhi ki jati hai. vijnan ki lokapriyata ko badhane ke lie vishesh puraskar bhi rakhe ge haian. rashtriy vijnan divas desh mean vijnan ke nirantar unnati ka ahvan karata hai.
si. vi. raman dvara 'raman prabhav' ki khoj
[[chitr:stamp CV_Raman.jpg|thumb|left|200px|bharatiy dak tikat mean prophesar chandrashekhar veankat raman]] 1928 mean kolakata mean bharatiy vaijnanik prophesar chandrashekhar veankat raman ne is din ek utkrisht vaijnanik khoj, jo ‘raman iphekt/raman prabhav’ ke roop mean prasiddh hai, ki thi, jisaki madad se kanoan ki anavik aur paramanavik sanrachana ka pata lagaya ja sakata hai aur jisake lie unhean 1930 mean nobel puraskar se sammanit kiya gaya tha. us samay tak bharat ya eshiya ke kisi vyakti ko bhautiki ka nobal puraskar nahian mila tha. avard samaroh mean is prabhav ka pradarshan karane raman ne alkohal ka istemal kiya tha. bad mean rat ke khane ke dauran jab alkohal pesh ki gee to bharatiy paranparaoan ke karan raman ne use hath bhi nahian lagaya.
raman prabhav
raman prabhav ke anusar ekal tarang-dairdhy prakash (monokometik) kiranean jab kisi paradarshak madhyam- thos, drav ya gais mean se gujarati haian, tab isaki chhitaraee huee kiranoan ka adhyayan kiya jae to usamean mool prakash ki kiranoan ke alava sthir aantar par bahut kamazor tivrata ki kiranean bhi upasthit hoti haian. in kiranoan ko raman-kiranean kahate haian. ye kiranean madhyam ke kanoan ke kanpan evan ghoornan ki vajah se mool prakash ki kiranoan mean oorja mean labh ya hani ke hone se utpann hoti haian. raman prabhav rasayanoan ki anavik sanrachana ke adhyayan mean ek prabhavi sadhan hai. isaka vaijnanik anusandhan ki any shakhaoan, jaise aushadhi vijnan, jiv vijnan, bhautik vijnan, rasayanik vijnan, khagol vijnan tatha doorasanchar ke kshetr mean bhi bahut mahattv hai.
raman prabhav ka prayog
[[chitr:C.V.Raman-03.jpg|thumb|d aau. si. vi. raman]] dararasal raman prabhav ki khoj ne ainsatain ke us siddhaant ko bhi pramanit kar diya jisamean unhoanne kaha tha ki prakash mean tarang ke sath hi anuoan ke gun bhi kuchh had tak pae jate haian. thumb|left|rashtriy vijnan divas isase pahale nyootan ne bataya tha ki prakash sirph ek tarang hai aur usamean anuoan ke gun nahian pae jate. ainsatain ne isase viparit siddhaant diya aur raman prabhav se vah sabit hua. achary narendr dev k aaulej mean bhautiki ke prophesar subhash sianh ne kaha,‘padarthoan mean maujood yaugikoan ki anavik aur paramanavik sanrachana ka pata chalane ke karan age ki khojoan ke marg prashast ho sake isilie raman prabhav apane ap mean mahattvapoorn hai.’
|
|
|
|
|
|