Jaké jsou základní fyzikální veličiny SI a jejich jednotky?

Fyzika - otázky

Flashcard
•
Physics
•
9th - 12th Grade
•
Hard

Hana Do
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13 questions
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1.
FLASHCARD QUESTION
Front
Back
délka (metr)
hmotnost (kilogram)
čas (sekunda)
el. proud (ampér)
molární hmotnost (mol)
termodynamická teplota (kelvin)
svítivost (kandela)
2.
FLASHCARD QUESTION
Front
Definuj 1 metr
Back
1 metr je trajektorie, kterou urazí světlo za 1/300 000 000 s ve vakuu
3.
FLASHCARD QUESTION
Front
Definuj 1 kilogram
Back
1 kilogram je definován tak, aby Planckova konstanta byla 6,626 . 10 na mínus 34 Js
4.
FLASHCARD QUESTION
Front
Jak je definována sekunda?
Back
1 sekunda je doba trvání 9 192 631 770 period záření, které odpovídá přechodu mezi 2 hladinami velmi jemné struktury základního stavu atomu 133Cs
5.
FLASHCARD QUESTION
Front
Které předpony zvětšují a kolikrát?
Back
tera x 12
giga x 9
mega x 6
kilo x 3
hekta x 2
deka x 1
6.
FLASHCARD QUESTION
Front
Které předpony zmenšují a kolikrát?
Back
piko /-12
nano /-9
mikro /-6
mili /-3
centi /-2
deci /-1
7.
FLASHCARD QUESTION
Front
Co je to hustota a jak se vypočítá?
Back
= hmotnost jednotky objemu dané látky
hustota se rovná hmotnost děleno objemem
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