Hang és fény
Quiz
•
Physics
•
7th Grade
•
Medium
Judit Farkas
Used 9+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
A hangsebesség a levegőben:
340 m/s
340 km/s
300 m/s
300 000 m/s
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Melyik igaz állítás?
A hang is egy hullám.
Hullám bármely halmazállapotú anyagban létrejöhet.
A hang transzverzális hullám.
A hang longitudinális hullám.
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Melyik igaz?
A hullám
a határfelületről visszaverődhet
átléphet az új anyagba
elnyelődhet
új anyagba való átlépésekor nem változik meg a terjedési sebessége.
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Melyik igaz állítás?
A fény transzverzális hullám.
A fény longitudinális hullám.
A fény egyenes vonalban terjed.
A fény részecskéi a fotonok, más néven a fénykvantumok.
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
A fény terjedési sebessége légüres térben:
300 000 km/s
300 000 m/s
m/s
340 m/s
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
A méterben mért fókusztávolság reciprokát így hívjuk:
prizma
dioptria
lencse
képalkotás
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Hány dioptriás az 50 cm fókusztávolságú gyűjtőlencse?
2
0,5
50
2,5
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