Elektromagnetski valovi
Quiz
•
Physics
•
1st - 5th Grade
•
Practice Problem
•
Easy

Anto Trogrlić
Used 20+ times
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21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elektromagnetski valovi se razlikuju po
brzini kojom putuju u vakuumu.
valnoj duljini i frekvenciji
načinu na koji se reflektiraju
orijentaciji njihovih električnih i magnetskih polja
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Da biste izračunali frekvenciju elektromagnetskog vala, morate znati brzinu vala i njegovu
valnu duljinu
intenzitet
kut loma
amplitudu
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elektromagnetski val u vakuumu ima valnu duljinu 0,07 m. Kolika je njegova učestalost ili frekvencija
f = 3,0x 108 m/s
f = 3,0x 109 m/s
f = 4,3x 109 m/s
f = 4,3x 108 m/s
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Svjetlost djeluje poput
vala
čestice
i vala i čestice
ni vala ni čestice
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Što se od navedenog događa kad svjetlost putuje dalje od svog izvora?
Daleko od izvora, fotoni se okupljaju na malom području.
Intenzitet svjetlosti raste kako se fotoni udaljavaju od izvora.
Izvor emitira manje svjetlosti dok se fotoni udaljavaju od njega
Daleko od izvora, fotoni se šire na većem području.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Infracrvene zrake imaju kraću valnu duljinu od
ultraljubičastih zraka
X- zraka
radarskih valova
gama zraka
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zove se puni raspon frekvencija elektromagnetskog zračenja
vidljivo svjetlo
radio valovi
elektromagnetski spektar
nevidljivo zračenje
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