भौतिक विज्ञान
bhautik vijnan vijnan ki vah shakha hai, jisamean oorja ke vibhinn svaroopoan tatha dravy se usaki anyony kriyaoan ka adhyayan kiya jata hai. satath vaijnanik adhyayanoan 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 lak di, pital, lohe ki bani hoti hai, dravy kahalati hai. inamean bhar hota hai aur sthan gherati haian. vayu, jise ham n to dekh sakate haian aur n hi chhoo sakate haian, kintu yah sthan gherati hai aur isamean bhar hota hai, unamean dravyaman hota hai. kisi vastu mean upasthit padarth ki matra ko dravyaman jabaki kisi vastu par prithvi ke lagane vale akarshan bal ko bhar kahate haian. ise (W=mg) se prakat kiya jata hai, jahaan m vastu ka dravyaman aur Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://api.formulasearchengine.com/v1/":): {\mathbf {g}} us par lagane vala prithvi ka gurutviy tvaran hai. kisi vastu ka dravyaman pratyek sthan par sthir rahata hai, jabaki bhar vibhinn sthanoan par Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://api.formulasearchengine.com/v1/":): {\mathbf {g}} ke man mean parivartit hone ke karan badalata rahata hai.
oorja brahmand ka doosara mahattvapoorn avayav hai. kisi vastu ke kary karane ki kshamata ko oorja kahate haian. pratyek dravy mean ek nishchit oorja hoti hai. oorja ke karan hi dravy mean parivartan hota hai. usamean n to bhar hota hai aur n hi akar, kintu usake prabhav ka anubhav ham apani indriyoan dvara kar sakate haian. oorja ke vibhinn roopoan yatha ooshma, prakash, vidyut, chumbakatv, dhvani adi ko apas mean roopantarit kiya ja sakata hai. dravyay ka oorja mean roopantaran ainsatin ke oorja–dravyaman samikaran Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://api.formulasearchengine.com/v1/":): {\mathbf {E}}={\mathbf {m}}{\mathbf {c}}^{2} ke anusar kiya ja sakata hai. yahaan par c=3×108 mitar/sekend prakash ka veg hai.
bhautik vijnan ki shakhaean
bhautik vijnan ka vistrit adhyayan karane ke lie is vibhinn shakhaoan mean vibhajit kiya gaya hai. isamean kuchh mukhy shakhaean hai-
- yaantriki
- ooshma
- dhvani
- prakash
- chumbakatv
- vidyut
- adhunik bhautiki
- paramanu bhautiki
- nabhikiy bhautiki
- vikiran bhautiki
- oorja bhautiki
- thos avastha bhautiki
bhautiki evan manavata
aj ka manav pragatishil hai. vah din–pratidan vikas ke naye–naye srotoan ki or agrasar hai. in sabhi vikas ayamoan mean bhautiki ka atyant mahattvapoorn sthan hai. aankhoan mean nazar ke chashmean, kailakuletar adi bhautiki ki hi den haian. any jivanopayogi mahattvapoorn avishkar jaise, rediyo, rangin telivijan, vidyut ianjan, telifon, kritrim upagrah, rangin fotografi, sinema, mausam ki poorv mean hi bhavishyavani, saur choolha, saur baitari, chandrama v mangal grah ki yatra, lesar kiranoan dvara kainsar ka upachar, kampyootar robot adi ne nishchit roop se manav ko vikas ke shikhar par pahuancha diya hai. door–sanchar ke kshetr mean bhi bhautiki ne nee kranti la di hai. aptikal faibar (Optical Fiber) v lejar kiranoan ke upayog se hazaroan vyakti ek lain par, ek sath bat kar sakeange. holografi (Holography) ke siddhant ke upayog se ab trivim chitroan ka prakshepan bhi sambhav ho gaya hai.
bhautiki ke rachanatmak svaroop ke sath–sath ab isaka b de paimane par durupayog bhi ho raha hai. bhautiki ki sahayata se manav ne paramanu bam, haidrojan bam, nyootr aaun bam adi ghatak hathiyar bana lie haian, jinaki sahayata se vah manavata ko mita sakata hai. atah sabhi vaijnanikoan ka yahi pratham prayas hona chahie ki bhautiki ka prayog keval manav jati ko sukhi banane mean hi kiya jae, usako nasht karane mean nahian.
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