Mafungu eElectromagnetic: Tsanangudzo, Hunhu, uye Mashandisirwo
Mafungu emagetsi chinhu chinowanzoitika uye chakakosha muhupenyu hwezuva nezuva uye mukuvandudzwa kwetekinoroji yemazuva ano. Seri kwezviitiko, mafungu aya anoita basa rakakosha muzvikamu zvakasiyana-siyana, kubva pakutaurirana kusvika pakurapwa. Muchinyorwa chino, tichanyatsoongorora tsananguro, hunhu, uye mashandisirwo emafungu emagetsi.
Kunzwisisa Mafungu eElectromagnetic
Mafungu emagetsi imhando yemafungu ane simba remagetsi neremagetsi rinotenderera resinusoidal uye rakatenderedzana uye richienda kunzira yekupararira kwemafungu. Mafungu aya anogona kupararira muvacuum, kusiyana nemafungu emakanika, ayo anoda nzira yekuparadzira. Dzidziso huru yemafungu emagetsi yakataurwa naJames Clerk Maxwell muzana remakore rechi19 kuburikidza nemaequations anozivikanwa seMaxwell's Equations. Hwaro hwedzidziso iyi hunoratidza kuti simba remagetsi rinoshanduka rinogona kugadzira simba remagetsi uye zvinopesana.
Mafungu eElectromagnetic Wave Spectrum
Mafungu emagetsi anogona kusiyaniswa nehukuru hwawo hwemafungu uye frequency, izvo pamwe chete zvinosarudza nzvimbo yawo mukati memagetsi emagetsi. Mafungu aya anosanganisira marudzi akasiyana-siyana emafungu ane hunhu hwakasiyana uye mashandisirwo akasiyana.
1. Mafungu eRadio: Mafungu aya ane urefu hwewavelength uye frequency yakaderera mu electromagnetic spectrum. Anoshandiswa mukukurukurirana kweredhiyo, terevhizheni, uye nharembozha.
2. Ma microwave: Tevere ma microwave, ane ma wavelength mapfupi pane ma radio waves. Anonyanya kushandiswa mu radar, microwave ovens, uye satellite communications.
3. Infrared: Mafungu einfrared ari pasi pemafungu matsvuku ari muchiedza chinoonekwa. Anoshandiswa muzvinodzora zviri kure, makamera einfrared, uye mukurapa kupisa.
4. Chiedza Chinoonekwa: Ichi chikamu che electromagnetic spectrum chinogona kuonekwa neziso remunhu. Chine mavara matsvuku, orenji, yero, girini, bhuruu, uye pepuru.
5. Ultraviolet: Mafungu eUltraviolet ane urefu hupfupi kupfuura chiedza chinoonekwa uye anogona kukonzera kusawirirana kwemakemikari. Anoshandiswa mukuchenesa ganda uye kurapa ganda.
6. X-rays: Mafungu aya ane marefu mapfupi uye anogona kupinda muzvinhu zvakasiyana-siyana. Anoshandiswa mumifananidzo yezvokurapa uye mukuchengetedza.
7. Gamma Mwaranzi: Mafungu ane mafrequency akanyanya uye marefu kupfuura mamwe ese. Ane simba guru uye anoshandiswa mukurapa nemwaranzi uye mukuongorora zvinhu zvemuchadenga.
Hunhu hweMafungu eElectromagnetic
Mafungu emagetsi ane zvinhu zvakakosha zvinokanganisa mashandiro aanoita nezvinhu uye anoshandiswa mumhando dzakasiyana siyana:
1. Kumhanya: Mafungu emagetsi anopararira nekumhanya kwechiedza, uko kuri makiromita angangoita 299.792 pasekondi mumhepo isina chinhu.
2. Kufungisisa uye Kudzokorora: Kungofanana nemamwe mafungu, mafungu emagetsi anogona kuratidzwa uye kudzoserwa kana achipinda mune imwe nzvimbo ine huwandu hwakasiyana.
3. Kupindira uye Kupatsanurwa: Mafungu emagetsi anogonawo kusangana nekukanganiswa (kusimba kana kupera simba) uye kupatsanurwa (kukotama kutenderedza zvipingamupinyi).
4. Polarization: Mafungu aya anogona kupolarized, kureva kuti, zvikamu zvemagetsi zvemafungu zvinogona kutungamirirwa mundege yakati.
Mashandisirwo eMafungu eElectromagnetic
Mabhenefiti emafungu emagetsi akakura zvikuru uye anofukidza nzvimbo dzakasiyana dzesainzi netekinoroji:
1. Kutaurirana: Mafungu emagetsi ndiwo musimboti wehurongwa hwemazuva ano hwekutaurirana. Redhiyo nema microwave zvinoshandiswa mukutumira masaini eterevhizheni, redhiyo, uye nharembozha. Matekinoroji asina waya akadai seWi-Fi neBluetooth anoshandisawo mafungu aya.
2. Kuona Zviri Kure uye MaSatellite: MaSatellite emamiriro ekunze, mepu yepasi, uye GPS zvinoshandisa ma microwave nemasaisai eredhiyo pakutaurirana uye kuisa nzvimbo.
3. Zvekurapa: Mafungu emagetsi anoshandiswa zvakanyanya munyika yezvekurapa. MaX-ray anoshandiswa mukuongorora zviratidzo zvakaita seX-ray, uye simba rema microwave rinoshandiswa mumidziyo yakaita semaovheni ema microwave ekuchenesa michina yekurapa.
4. Mauto: Kushandiswa kwemafungu emagetsi mumauto kunosanganisira radar yekuona ndege dzevavengi kana ngarava, pamwe chete netekinoroji yepamusoro yekutaurirana kwemauto.
5. Kufamba Nendege Nemugungwa: Masisitimu emazuva ano ekufambisa akadai se radar nemidziyo yekutaurirana mukufambisa nendege nekutakura zvinhu anoshandisa mafungu eredhiyo kana microwave.
6. Zvigadzirwa zveVatengi: Zvigadzirwa zvezuva nezuva zvakaita semafoni, maTV, ma microwave, uye ma remote control zvinoshandisa ma electromagnetic waves mukugadzirwa kwavo uye mashandiro avo.
Zvimwe Zviitiko Mumafungu Emagetsi
Zvimwe zviitiko zvinonakidza zvine chekuita nemafungu emagetsi zvinosanganisira:
1. Kushanda kweMagetsi: Chiitiko umo maerekitironi anoburitswa kubva pamusoro pechinhu kana akasangana nechiedza chine frequency yakakwana. Chiitiko ichi chinopa humbowo hwakakosha hwepfungwa yemaphotoni uye dzidziso yequantum yechiedza yakaunzwa naEinstein.
2. Redshift neBlueshift: Kubva mukuongorora nyeredzi, shanduko muhurefu hwechiedza hunokonzerwa nekufamba kwechiedza chinobva kune mucherechedzi. Redshift inoitika kana chitubu chikafamba kubva kune mucherechedzi, ukuwo blueshift inoitika kana chitubu chikaswedera pedyo.
Zviitiko Nematambudziko Eramangwana
Sezvo tekinoroji ichifambira mberi, kunzwisisa kwedu mafungu emagetsi kuri kuramba kuchikura. Tsvagiridzo inoramba ichinzwisisa zvinhu zvakaoma kunzwisisa zve quantum uye relativistic, pamwe nekushandiswa kwazvo muzvishandiso zvetekinoroji yepamusoro zvakaita se quantum communications nezvimwe zvishandiso zvepamusoro.
Zvisinei, kunewo matambudziko ekugadzirisa. Semuenzaniso, njodzi dzemwaranzi yemagetsi kuhutano hwevanhu dzichiri nyaya yakakosha yekutsvagisa. Kupinda kwemafungu emagetsi munyama yemunhu uye mhedzisiro yawo zvichiri kudzidzwa, kunyanya kana munhu achinge aonekwa kwenguva refu.
Mhedziso
Mafungu emagetsi anobatsira zvikuru muzvinhu zvose zvakasikwa, ane mashandisirwo akasiyana-siyana muhupenyu hwezuva nezuva nesainzi. Kubva padzidziso dzakakosha dzakataurwa naMaxwell kusvika kumatekinoroji akasiyana-siyana anoshandisa mafungu aya, basa remafungu emagetsi harigoni kufuratirwa. Tsvagiridzo nekuvandudzwa kuri kuenderera mberi, zvichivhura mikana mitsva uye mashandisirwo eramangwana rakajeka.
Kunzwisisa kwakadzama kwemafungu emagetsi hakungopi chete ruzivo rwezvinhu zvose asi kunotibvumirawo kugadzira matekinoroji epamusoro uye kurarama hupenyu hwakasununguka uye hwakachengeteka.
