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19. Antara berikut yang manakah bukan aplikasi kesan 20. Antara berikut yang manakah benar tentang eksperimen
fotoelektrik? yang digunakan untuk membuktikan sifat kedualan
Which of the following is not using application of photoelectric gelombang – zarah?
effect? Which of the following is experiment evidence to prove the
[m = 9.1 × 10 kg ; h = 6.63 × 10 J s; nature of wave-particle duality?
–34
–31
e
–1
8
c = 3 × 10 m s ] Zarah berkelakuan Gelombang
A Sel solar gelombang berkelakuan zarah
Solar cell Particle behave as wave Wave behave as particle
B pengesan cahaya pada pintu automatic
Light detector auto gate A Kesan fotoelektrik Pembelauan elektron
C Loceng elektrik Photoelectric effect Electron diffraction
Electric alarm B Pembelauan elektron Kesan fotoelektrik
D Stesen Angkasa Antarabangsa Electron diffraction Photoelectric effect
International Space Station (ISS) C Pembelauan elektron Interferens
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Electron diffraction Interference
D Kesan fotoelektrik Interferens
Photoelectric effect Interference
Kertas/Paper 2
Bahagian/Section A
1. Jadual di bawah menunjukkan tiga ahli fizik X, Y dan Z beserta profil dan kejayaan masing-masing dalam perkembangan
teori fizik.
Table below shows three physicists X, Y and Z with their profiles and contributions in the development of physics theory.
• Ahli fizik yang mengemukakan teori kuantum
Physicists who propose quantum theory
X
• Tenaga dipancarkan dari jasad hitam dalam bentuk kuantum
Energy is emitted from black body in the form of quantum
• Ahli fizik dari Perancis
French physicist
Y
• Ahli fizik yang mengemukakan teori kedualaan zarah-gelombang kedualaan zarah gelombang
Physicists who proposed theory of nature of the particle-wave
• Ahli fizik teori berbangsa Jerman
Greatest German theory physicist
Z • Ahli fizik yang mengemukakan teori kerelatifan, mekanik kuantum, mekanik statistik dan kosmologi
Physicists who proposed theory of nature of the particle-wave
• Dianugerahkan dengan Hadiah Nobel - kesan fotoelektrik
Awarded the Nobel Prize - photoelectric effects
(a) Namakan ahli fizik berikut.
Name each of following physicist.
(i) X : Max Planck
(ii) Y : Louis de Broglie
(iii) Z : Albert Einstein
[3 markah/marks]
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