Puas yog kev cuam tshuam thiab kev cuam tshuam?

Cov txheej txheem:

Puas yog kev cuam tshuam thiab kev cuam tshuam?
Puas yog kev cuam tshuam thiab kev cuam tshuam?
Anonim

Reflection cuam tshuam nrog kev hloov pauv ntawm nthwv dej thaum lawv dhia tawm ntawm qhov thaiv. Kev cuam tshuam ntawm nthwv dej cuam tshuam nrog kev hloov pauv ntawm cov nthwv dej thaum lawv dhau los ntawm ib qho nruab nrab mus rau lwm qhov. Refraction, los yog khoov ntawm txoj kev ntawm cov nthwv dej, yog nrog los ntawm kev hloov pauv ntawm qhov nrawm thiab lub zog ntawm cov nthwv dej.

YPuas yog kev xav thiab kev cuam tshuam zoo ib yam?

Reflection yog qhov rov qab ntawm lub teeb thaum nws tawm tsam qhov chaw du. Refraction yog qhov khoov ntawm lub teeb rays thaum nws mus los ntawm ib qho nruab nrab mus rau lwm qhov.

Puas yog daim iav refraction lossis reflection?

Daim iav tsis thim daim duab sab laug mus rau sab xis; nws thim rov qab rau pem hauv ntej. Piv txwv li, yog tias koj tig mus rau sab qaum teb, koj qhov kev xav yog tig mus rau sab qab teb. Qhov kev xav ntawm lub teeb rays yog ib qho tseem ceeb ntawm geometric optics; Lwm qhov yog refraction, lossis khoov ntawm lub teeb rays.

Yuav ua li cas yog qhov kev xav thiab refraction muaj sib xws?

Reflection thiab refraction yog ob qho tib si tus cwj pwm ntawm nthwv dej, xws li lub teeb thiab lub suab nthwv dej. … Thaum thaws tawm ntawm tej qhov chaw, teeb pom kev nyob rau hauv tib lub kaum sab xis thaum nws tsoo saum npoo. Ci ntsa iab, ntxhib qhov chaw ua rau lub teeb pom kev hauv txhua qhov kev taw qhia.

Dab tsi yog qhov zoo sib xws thiab qhov sib txawv ntawm kev xav thiab thim rov qab?

Nyob rau hauv kev xav, nthwv dej tawm ntawm qhov chaw. Ntawm qhov tsis sib xws, nyob rau hauv refraction, nthwv dej dhau los ntawm qhov chaw, uas hloovlawv ceev thiab kev taw qhia. Hauv kev xav, lub kaum sab xis ntawm qhov xwm txheej yog tib yam li lub kaum sab xis ntawm kev xav. Raws li tawm tsam qhov no, lub kaum sab xis ntawm qhov xwm txheej tsis zoo ib yam li lub kaum sab xis ntawm qhov cuam tshuam.

Pom zoo:

Nthuav cov khoom
Vim li cas cov neeg caij dav hlau yog poj niam?
Nyeem ntxiv

Vim li cas cov neeg caij dav hlau yog poj niam?

Nws yog los ntawm lub sijhawm no uas lub luag haujlwm ntawm tus neeg saib xyuas lub dav hlau pib hloov zuj zus txhawm rau txhawm rau suav nrog kev saib xyuas ntau dua. Raws li qhov tshwm sim, dav hlau tau saib cov poj niam kws saib xyuas neeg mob los saib xyuas cov neeg caij tsheb hauv tsev.

Yog amorphous solids nkig?
Nyeem ntxiv

Yog amorphous solids nkig?

Amorphous khoom, ib yam noncrystalline solid nyob rau hauv uas atoms thiab molecules tsis koom nyob rau hauv ib tug meej lattice qauv. Cov khoom siv xws li iav, yas, thiab gel. Khoom thiab kua yog ob hom condensed teeb meem; ob leeg yog tsim los ntawm atoms nyob ze rau ib leeg.

Cov txuas hniav disulfide ua li cas?
Nyeem ntxiv

Cov txuas hniav disulfide ua li cas?

Disulfide daim ntawv cog lus koom nrog cov tshuaj tiv thaiv ntawm sulfhydryl (SH) sab chains ntawm ob cysteine residues: ib qho S - anion los ntawm ib pawg sulfhydryl ua raws li ib tug nucleophile , tawm tsam sab ntawm cov cysteine thib ob los tsim ib daim ntawv cog lus disulfide, thiab hauv cov txheej txheem tso tawm electrons (txo qhov sib npaug) hloov mus.