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MODUL • Fizik TINGKATAN 5

Ciri-ciri interferens gelombang / Characteristics of interference of waves

Bagaimana a, λ, f dan D mempengaruhi x?
How a, λ, f and D affect x?

Lakarkan graf Jarak di antara dua sumber koheren, a
Sketch the graph The distance between the two coherent sources, a
• Jarak di antara dua garisan nod atau antinod yang berturutan, x, berkadar songsang
x dengan jarak di antara dua sumber, a.
The distance between the two successive nodes lines or antinodes lines, x, is inversely
proportional to the distance between two sources, a.
1
x α
a
• Semakin bertambah a, semakin berkurang x.
As a increases, x decreases. UNIT 1
a • Pemboleh ubah / Variables :
Dimanipulasikan / Manipulated : a
Bergerak balas / Responding : x
Dimalarkan / Constant : λ atau f dan D / λ or f and D

Lakarkan graf Panjang gelombang, λ
Sketch the graph Wavelength, λ
• Jarak di antara dua garisan antinod atau garis nod yang berturutan, x berkadar langsung
dengan panjang gelombang dan berkadar songsang dengan frekuensi.
The distance between the two successive antinodes lines or nodes lines, x is directly
x proportional to the wavelength and inversely proportional to the frequency.
1
x α λ x α
f

• Semakin bertambah λ, semakin bertambah x.
As λ increases , x increases .

λ • Semakin bertambah frekuensi, f, semakin berkurang x.
As frequency, f increases , x decreases .
• Pemboleh ubah / Variables :
Dimanipulasikan / Manipulated : λ atau f / λ or f
Bergerak balas / Responding : x
Dimalarkan / Constant : a dan D / a and D
Lakarkan graf Jarak, D
Sketch the graph Distance, D
• Jarak di antara dua garis nod atau antinod yang berturutan berkadar langsung dengan
x jarak dari mana x diukur, D.
The distance between the two consecutive lines nodes lines or antinodes lines is directly
proportional to the distance from where x is measured, D.
x α D

• Semakin bertambah D, semakin bertambah x.
As D increases , x increases .

D • Pemboleh ubah / Variables : Maklumat tambahan:
Dimanipulasikan / Manipulated : D Additional information:
Bergerak balas / Responding : x
Dimalarkan / Constant : λ atau f dan a / λ or f and a

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