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MODUL • Fizik TINGKATAN 5

Sumber cahaya laser
Laser light source Slaid satu celah
Single slit slide

Susunan radas
Arrangement of the
apparatus
x

Skrin Pinggir tengah cerah
UNIT 1
Screen Middle bright fringe

1. Lebar celah direkodkan, a = 0.2 mm. Cahaya dari sumber ditujukan ke arah celahan.

The width of the slit is recorded, a = 0.2 mm. The light beam from the source is directed towards the slit.
2. Dengan menggunakan pembaris meter, lebar pinggir cahaya di tengah, x, diukur dan direkodkan.
Prosedur
Procedure By using a metre rule, the width of the middle bright fringe, x is measured and recorded.
3. Eksperimen diulangi dengan menggunakan lebar celah, a = 0.4 mm, 0.6 mm, 0.8 mm dan 1.0 mm.

The experiment is repeated for widths of slit, a = 0.4 mm, 0.6 mm, 0.8 mm and 1.0 mm.

Menjadualkan Lebar celah / Width of slit, a / mm 0.2 0.4 0.6 0.8 1.0
data Lebar pinggir tengah cerah
Tabulate the data Width of middle bright fringe, x / cm

Lebar pinggir tengah cerah
Width of middle bright fringe
x / cm

Menganalisis data
Analysis the data

Lebar celah
Width of slit
0 a / mm

Maklumat tambahan:
Additional information:

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