ondulatoria Flashcards

1
Q

ondas mecanicas

A

precisam de um meio para se propagar

transversais ou longitudinais

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2
Q

ondas eletromagnéticas

A

nao precisam de um meio para se propagar

transversais

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3
Q

ondas transversais

A

vibram na vertical

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4
Q

ondas longitudinais

A

direção horizontal da vibração

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5
Q

velocidade de propagação

A

v= ¥ . f

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6
Q

frequência

A

f= 1/T

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7
Q

reflexão de ondas sonoras eco

A

d= 2. velocidade som. 🔺t

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8
Q

difração

A

capacidade de ondas contornarem obstáculos

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9
Q

refração

A

mudanca de velocidade de propagação
(mudanca do meio)

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10
Q

polarização

A

apenas ondas transversais podem ser polarizadas

ex: oculos de sol

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11
Q

ressonância

A

excitações por frequências proximas da frequencia natural provocam aumento na energia

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12
Q

som

A

ondas sonoras mecânicas longitudinais

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13
Q

timbre

A

formato da onda
mudança dos instrumentos

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14
Q

altura

A

frequência
diferenciar as notas

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15
Q

intensidade

A

amplitude, volume

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