bab 5 Flashcards

1
Q

interferens

A

superposisi dua atau lebih gelombang dr sumber gelombang yg koheran

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2
Q

gelombang koheran

A

frekuensi kedua-dua gelombang adalah sama dan beza fasa tetap

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3
Q

superposisi

A

pertindihan dua gelombang di suatu titik

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4
Q

ciri pantulan

A

v, λ, f = x berubah
arah perambatan= berubah

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5
Q

amplitud

A

sesaran maksimum suatu zarah dr kedudukan keseimbangan

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6
Q

tempoh

A

masa yg diambil okeh suatu zarah utk membuat satu ayunan lengkap atau utk menghasilkan satu gelombang dalam satu saat

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7
Q

frekuensi

A

bilangan ayunan lengkap yg dilakukan oleh suatu zarah atau bilangan gelombang yg dihasilkan oleh suatu sumber gelombang dlm satu saat

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8
Q

panjang gelombang

A

jarak di antara dua titik sefasa yg berturutan

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9
Q

laju gelombang

A

jarak yg dilalui sesaat oleh profil gelombang

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10
Q

pelembapan luaran

A

sistem ayunan kehilangan tenaga bagi mengatasi daya geseran atau rintangan

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11
Q

pelembapan dalaman

A

sistem ayunan kehilangan tenaga kerana renggangan dan mampatan zarah2 yg bergetar dlm sistem tersebut

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12
Q

semasa resonans

A
  • sistem berayun dgn frekuensi aslinya
  • sistem berayun dgn amplitud maksimum
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13
Q

pembiasan gelombang

A

perubahan arah perambatan gelombang yg disebabkan olh perubahan halaju gelombang apabila gelombang itu merambat dr satu medium ke medium yg lain

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