भौतिक विज्ञान  हिन्दी देवनागरी में पढ़ें।

bhautik vigyan vigyan ki vah shakha hai, jisamen oorja ke vibhinn svaroopon tatha dravy se usaki anyony kriyaon ka adhyayan kiya jata hai. satath vaigyanik adhyayanon se ab yah sabit ho chuka hai ki brahmand dravy aur oorja se milakar bana hai tatha vah pratyek vastu jo sthan gherati hai, dravy kahalati hai. kursi, lota, balti adi jis vastu, kramashah lakadi, pital, lohe ki bani hoti hai, dravy kahalati hai. inamen bhar hota hai aur sthan gherati hain. vayu, jise ham n to dekh sakate hain aur n hi chhoo sakate hain, kintu yah sthan gherati hai aur isamen bhar hota hai, unamen dravyaman hota hai. kisi vastu men upasthit padarth ki matra ko dravyaman jabaki kisi vastu par prithvi ke lagane vale akarshan bal ko bhar kahate hain. ise (W=mg) se prakat kiya jata hai, jahan m vastu ka dravyaman aur us par lagane vala prithvi ka gurutviy tvaran hai. kisi vastu ka dravyaman pratyek sthan par sthir rahata hai, jabaki bhar vibhinn sthanon par ke man men parivartit hone ke karan badalata rahata hai.

oorja brahmand ka doosara mahattvapoorn avayav hai. kisi vastu ke kary karane ki kshamata ko oorja kahate hain. pratyek dravy men ek nishchit oorja hoti hai. oorja ke karan hi dravy men parivartan hota hai. usamen n to bhar hota hai aur n hi akar, kintu usake prabhav ka anubhav ham apani indriyon dvara kar sakate hain. oorja ke vibhinn roopon yatha ooshma, prakash, vidyut, chumbakatv, dhvani adi ko apas men roopantarit kiya ja sakata hai. dravyay ka oorja men roopantaran ainsatin ke oorja–dravyaman samikaran ke anusar kiya ja sakata hai. yahan par c=3×108 mitar/sekend prakash ka veg hai.

bhautik vigyan ki shakhaen

bhautik vigyan ka vistrit adhyayan karane ke lie is vibhinn shakhaon men vibhajit kiya gaya hai. isamen kuchh mukhy shakhaen hai-

  1. yantriki
  2. ooshma
  3. dhvani
  4. prakash
  5. chumbakatv
  6. vidyut
  7. adhunik bhautiki
  8. paramanu bhautiki
  9. nabhikiy bhautiki
  10. vikiran bhautiki
  11. oorja bhautiki
  12. thos avastha bhautiki

bhautiki evn manavata

aj ka manav pragatishil hai. vah din–pratidan vikas ke naye–naye sroton ki or agrasar hai. in sabhi vikas ayamon men bhautiki ka atyant mahattvapoorn sthan hai. ankhon men nazar ke chashmen, kailakuletar adi bhautiki ki hi den hain. any jivanopayogi mahattvapoorn avishkar jaise, rediyo, rngin telivijan, vidyut injan, telifon, kritrim upagrah, rngin fotografi, sinema, mausam ki poorv men hi bhavishyavani, saur choolha, saur baitari, chandrama v mngal grah ki yatra, lesar kiranon dvara kainsar ka upachar, kampyootar robot adi ne nishchit roop se manav ko vikas ke shikhar par pahuncha diya hai. door–snchar ke kshetr men bhi bhautiki ne nee kranti la di hai. aptikal faibar (Optical Fiber) v lejar kiranon ke upayog se hazaron vyakti ek lain par, ek sath bat kar sakenge. holografi (Holography) ke siddhant ke upayog se ab trivim chitron ka prakshepan bhi sambhav ho gaya hai.

bhautiki ke rachanatmak svaroop ke sath–sath ab isaka bade paimane par durupayog bhi ho raha hai. bhautiki ki sahayata se manav ne paramanu bam, haidrojan bam, nyootraaun bam adi ghatak hathiyar bana lie hain, jinaki sahayata se vah manavata ko mita sakata hai. atah sabhi vaigyanikon ka yahi pratham prayas hona chahie ki bhautiki ka prayog keval manav jati ko sukhi banane men hi kiya jae, usako nasht karane men nahin.


panne ki pragati avastha
adhar
prarambhik
madhyamik
poornata
shodh

snbndhit lekh

varnamala kramanusar lekh khoj

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