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MODUL • Fizik TINGKATAN 5

Jenis Titik fokus Kebaikan Keburukan
Type Focal point Advantages Disadvantages
Cahaya matahari
Ke sistem pemanas air Penutup transparensi Sunlight
To domestic hot water system Transparent cover
Sinar matahari
Sunlight
Pemantul paraboloid cekung
Penebat Concave paraboloidal reflector
Permukaan penyerap
Insulation haba hitam
Air sejuk masuk Black heat-absorbing
Cold water in Pam surface
Ke sistem pemanas air Pump Penutup transkparensi
To domestic hot water system Transparent cover
Sinar matahari
(c) Panel solar menggunakan tenaga matahari untuk menjana
Sunlight
Titik fokus
tenaga terma untuk memanaskan air di rumah.
Focal point
Panel penyerap
Penebat
Solar panels use sun energy to generate thermal energy to heat
Insulation
water at home. Absorbing panel
Cahaya matahari
Air sejuk masuk Sunlight
Cold water in Pam
(ii) Sel solar / Solar cell Pump
Sinar matahari
Penutup kaca Sunlight Pemantul paraboloid cekung
lass cover Concave paraboloidal reflector
Sesentuh
grid logam Output
Metal grid Output
Ke sistem pemanas air Penutup transkparensi
contact
To domestic hot water system Transparent cover
Sinar matahari
Sesentuh logam
Sunlight
Metal contact
Silikon jenis-N Silikon jenis-P UNIT 3
N type silicon P type silicon Panel penyerap
Penebat
Insulation Absorbing panel
UNIT 3
(a) Sel solar diperbuat daripada bahan semikonduktor yang mana
Air sejuk masuk
Pam
Cold water in
mengaruhkan d.g.e. apabila terdedah kepada cahaya matahari.
Pump
Solar cells are made of semiconductor materials which develop
an e.m.f. when exposed to sunlight.
Sinar matahari
Penutup kaca Sunlight
lass cover
(b) Sel solar digunakan dalam kalkulator, lampu, jam tangan,
Sesentuh
pemanas air dan satelit. / Solar cells are used in calculators,
Output
grid logam
lamps, wrist watches, water heaters and in satellites.
Output
Metal grid
Turbin angin
contact Wind turbine
Sesentuh logam
4 Tenaga angin / Wind energy Metal contact (i) Bersih dan tidak (i) Memerlukan kawasan
Silikon jenis-N Silikon jenis-P membebaskan
N type silicon P type silicon luas
bahan cemar ke
persekitaran. untuk membina turbin
Clean and does not angin.
emit pollutants to the Requires a large
environment. area to construct a wind
turbine.
(ii) Boleh diperbaharui.
Renewable. (ii) Kelajuan putaran
pemutar turbin tidak
Turbin angin
Wind turbine konsisten, bergantung
Tenaga kinetik angin memutarkan bilah yang dihubungkan kepada (iii) Percuma. kepada keadaan.
pemutar penjana elektrik untuk menghasilkan tenaga elektrik. Free. The speed of rotation of
The kinetic energy of wind rotates blades connected to the rotor of an the rotor is not consistent,
electrical generator to produce the electrical energy. depending on weather
conditions.
(iii) Membebaskan bunyi
bising. / Produces noise.
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