Grandezze, misure e cifre significative
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Simone Biagini
Used 113+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Una misura è
un’osservazione qualitativa
un’osservazione quantitativa
espressa da un numero puro
esente da errori sperimentali
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quale tra le seguenti è l'unità di misura di una grandezza fondamentale?
m3
s2
J
K
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quale tra le seguenti è l'unità di misura di una grandezza derivata?
A
s
m
N
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual è l'unita di misura della massa nel SI?
g
N
Kg
m/s2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quale tra le seguenti è una grandezza intensiva?
densità
massa
volume
peso
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Una misura della lunghezza L di un oggetto è espressa come L = (16,3 ± 0,1) mm.
Da ciò deduco che:
va espressa con due cifre significative
La misura reale è 16,4 mm
La misura reale potrebbe essere 16,2 mm
La misura reale potrebbe essere 16,1 mm
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quante cifre significative ha la misura 20,32 m ?
2
3
4
5
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