Lub teeb ci uas tawm ntawm daim iav yog lub npe hu ua lub teeb pom kev zoo (labeled R hauv daim duab). Nyob rau ntawm qhov xwm txheej ntawm qhov tshwm sim Lub kaum sab xis ntawm qhov xwm txheej (optics) Hauv geometric optics, lub kaum sab xis ntawm qhov xwm txheej yog lub kaum sab xis ntawm qhov xwm txheej ntawm qhov chaw thiab kab perpendicular mus rau qhov chaw ntawm qhov xwm txheej, hu ua qhov qub. Cov duab hluav taws xob tuaj yeem tsim los ntawm txhua qhov nthwv dej: kho qhov muag, acoustic, microwave, X-ray thiab lwm yam. https://en.wikipedia.org › wiki › Angle_of_incidence_(optics)
Lub kaum ntse ntse ntawm qhov xwm txheej (optics) - Wikipedia
qhov twg cov kab hluav taws xob tawm tsam daim iav, ib txoj kab tuaj yeem kos tau perpendicular rau ntawm daim iav.
Dab tsi yog lub teeb ci?
Thaum lub teeb ci ntsa iab mus txog qhov chaw zoo nkauj thiab lub teeb ray rov qab, nws yog hu ua lub teeb pom kev. Qhov xwm txheej teeb pom kev zoo uas tsaws rau saum npoo yog hais tias yuav tsum tau cuam tshuam tawm ntawm qhov chaw. Lub rays uas bounces rov qab hu ua lub reflected ray.
Dab tsi yog qhov cuam tshuam ray chav kawm 8?
Reflected Ray: Lub hnub qub uas rov qab los ntawm qhov chaw tom qab kev xavyog lub npe hu ua lub teeb pom kev zoo. Ib txwm: Ib txoj kab kos rau ntawm kab uas sawv cev rau daim iav ntawm qhov chaw uas qhov teeb meem hluav taws xob tawm tsam daim iav.
Yuav ua li cas yog cov duab hluav taws xob siv rau?
Cov duab hluav taws xob yog ib txwm nyob hauv lub dav hlau txhais los ntawm qhov xwm txheej thiab qhov qub rau saum npoo. Txoj cai ntawm kev xav yuav siv tau kom nkag siab cov duab tsim los ntawm lub dav hlau thiab cov iav nkhaus.
Yuav ua li cas yog reflected ray piv txwv?
Ib lub teeb lossis lwm daim ntawv ntawm lub zog hluav taws xob uas tau muab pov rov qab los ntawm qhov chaw tsis muaj dej lossis tsis nqus dej; txoj kab hluav taws xob uas tawm ntawm qhov chaw ua ntej kev xav yog qhov xwm txheej ray.