elektromagneticke zareni Flashcards

1
Q

serad elektromagneticke zareni podle vlnove delky

A

viz tabulka

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2
Q

serad elektromagneticke zarwni podle frekvence

A

viz tabulka

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3
Q

napis vlastnost a uziti mikrovln

A
vlastnost - odrazi se od kovovych predmetu
uziti - v radiolokaci (radary(
mikrovlne trouby - ohrev potravin
site mobilnich telefonu
navigacni systemy
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4
Q

popis infracervene zareni + priklady uziti

A

zdrojem jsou zahrata telesa, jeho prostrednictvim probiha tepelna vymena mezi telesy, vlnova delka zavisi na teplote, je to tepelne zareni, snadno pronika zakalenym prostredim, uziti - termokamery, meteorologie, infrazarice

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5
Q

popis svetlo

A

svetlo je hlavnim zdrojem informaci pro cloveka, barva zavisi na frekvenci, zkouma ho optila

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6
Q

popis ultrafialove zareni

A

zdrojem jsou telesa s vysokou teplotou nebo rtutove vybojky, zpusobuje opaleni, muze zpusobit rakovinu kuze, nici mikroorganismy

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7
Q

luminiscence

A

studene svetlo, je v televizi nebo kdyz rozsvitime zarovku

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8
Q

laser

A

svetelny nebo infracerveny paprsek, vyuziti v lekarstvi

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9
Q

laserovy paprsek

A

prenasi zpravy, telefoni hovory,cd,dvd, vyuziva se v modernich zbranich, muze rezat tvrde materialy

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10
Q

rentgenka

A

zdroj rentgenoveho zareni, je to vakuova trubice v niz jsou 2 elektrody (anoda a katoda) k nimz je pripojeno vysoke napeti

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11
Q

urychlovace

A

pohybuji se v nich nabite castice v magnetickem poli a je jim stale dodavana energie, slouzi k urychlovani castic na vysoke energie a ke studiu jejich drazek

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12
Q

rentgenove zareni

A

zdroj - rentgenka
vlastnosti - schopnost pronikat nekterymi latkami
exponuje fotograficky material
ma izolujici ucinky (ionizuje latku,kterou prochazi)
vyuziti: - v lekarstvi - diagnostika
zkoumani struktury latek
rentgenova defektoskopie, rentgenova astronomie

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