Gelombang: Materi 12 Slide dan 8 Soal Kelas 8

12 Slides • 8 Questions

1

Materi Kelas 8 Semester Genap

GELOMBANG

Oleh: Nurpinem Sitio, S.Si

Guru IPA di SMP Negeri 2 Siempatnempu

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3

Gelombang adalah getaran yang melakukan perambatan. Contohnya adalah gelombang pada tali, gelombang air laut, gelombang bunyi.

Pengertian Gelombang

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Arah Rambatannya

Media Rambatan

Amplitudo

Transversal

Longitudinal

Mekanik

Elegtromagnetik

Berjalan

Berdiri/Stasioner

Gelombang dibedakan berdasarkan:

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6

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Dari gambar disamping hitunglah :

a. Jumlah gelombang (n)

b. Periode gelombang (T)

c. Frekuensi gelombang (f)

d. Panjang gelombang (λ)

e. Cepat rambat gelombang (V)

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11

Jawab kembali

pertanyaan-pertanyaan berikut

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Match

Berikut adalah jenis gelombang

Gelombang mekanik

Gelombang elektromagnetik

Gelombang transversal

Gelombang longitudinal

Merambat memerlukan medium perantara

Merambat tanpa memerlukan medium perantara

Gelombang yang arah getarnya tegak lurus terhadap arah rambatnya

Gelombang yang arah getarnya sejajar dengan arah rambatnya

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Match

Perhatikan gambar dan cocokkan pernyataan berikut!

Bukit Gelombang

Lembah Gelombang

Amplitudo

1 Gelombang

A-B-C

C-D-E

B-B'

A-B-C-D-E

14

Fill in the Blanks

Perhatikan gambar!

Berapa jumlah gelombang pada gambar tersebut?

Type answer...

15

Fill in the Blanks

Perhatikan gambar!

Berapakah amplitudo gelombang tersebut?

Type answer...

16

Fill in the Blanks

Perhatikan gambar!

Berapakah periode gelombang tersebut?

Type answer...

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18

Fill in the Blanks

Perhatikan gambar!

Berapakah panjang gelombang tersebut?

Type answer...

19

Fill in the Blanks

Perhatikan gambar!

Berapakan cepat rambat gelombang tersebut?

Type answer...

20

Fill in the Blanks

Perhatikan gambar!

Berapakah jumlah gelombang selama 3 menit?

Type answer...

Materi Kelas 8 Semester Genap

GELOMBANG

Oleh: Nurpinem Sitio, S.Si

Guru IPA di SMP Negeri 2 Siempatnempu

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