ondc1 Data: 10/5/97 Nome&C: ___________________________ Classe: 3PM
1- Disegna 2 onde consecutive viste di profilo. Indica creste ventri, nodi,
livello medio, ampiezza
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
2- Definizione di lunghezza d'onda. Disegno, parole.
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
3e4- Definizione di movimento di propagazione e di movimento di oscillazione.
Disegno e parole.
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
5- Definizione di periodo dell'onda, in tutti i modi possibili.
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
6- Definizione di frequenza dell'onda, in tutti i modi possibili.
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
7- Definizione di onde trasversali e di onde
longitudinali_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
8- Scegli il tipo di onda (cerhia la risposta) T=trasvers L=longitudT L onde
marine ________________________________________________
T L onde su una molla __________________________________________
T L onde sonore in aria ________________________________________
T L onde elettromagnetiche _____________________________________
9- Illustra dipendenze e non dipendenze della velocita' di un'onda trasversale
su una molla._____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
10- Riferendoci ad un'onda: la velocita' di propagazione "v" dipende
dalla lunghezza d'onda "L lambda" e dal periodo "T".
Formula; sue formule equivalenti.
_____________________________________________________________________
_____________________________________________________________________
11- Periodo e frequenza di un'onda. Formula di corrispondenza. Formule
equivalenti
_____________________________________________________________________
_____________________________________________________________________
12- Velocita' delle onde elettromagnetiche nel vuoto._____________________________________________________________________
13- onda elettromagnetica nel vuoto, di frequenza 1,3 GHz. a)
periodo:__________________________________________________________
_____________________________________________________________________
b) lunghezza d'onda:_________________________________________________
_____________________________________________________________________
14- l'onda si e' propagata di 5 onde in 4s, con una spostamento complessivo di
20m.
a) lunghezza d'onda__________________________________________________
_____________________________________________________________________
b) periodo___________________________________________________________
_____________________________________________________________________
c) frequenza_________________________________________________________
_____________________________________________________________________
15 Illustra la distinzione tra onda complessiva, o treno di onde, ed onda
singola; cioe' i piu' significati della parola "onda"
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
ondc2 CORREZIONE ondc1
1e2- ref: ondstt 3e4- ref: ondmo 5- ref: ondpdi 6- ref: ondf 7- ref: ondtl 8- ref: ondtl 9- ref: ondela 10- ref: ondlng 11- ref: ondf 12- ref: ondv 13- ref: ondpb 14- ref: ondpb 15- ref: ondpdi