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Worksheets7.1 Quantum Theory of Light F5 Bm/Bi VI
Total questions: 10
Worksheet time: 5mins
A _______ is an idealised body that is able to absorb all electromagnetic radiation that falls on it.
_______ merupakan suatu jasad unggul yang berupaya menyerap semua sinaran elektromagnet yang jatuh padanya.
Black body
Jasad hitam
White body
Jasad putih
Planck’s body
Jasad Planck
Radiator body
Jasad pemancar
A black body can emit thermal radiation depending on its _______.
Jasad hitam juga dapat memancarkan sinaran termal bergantung pada _______.
Pressure
Tekanan
Volume
Isipadu
Temperature
Suhu
Light intensity
Keamatan cahaya
_______ is a discrete energy packet and not a continuous energy.
_______ ialah paket tenaga yang diskrit dan bukan tenaga selanjar.
Quantum theory
Teori Quantum
Quantum of energy
Kuantum tenaga
Photon
Foton
Wave-Particle Duality
Kedualan Gelombang-Zarah
The wavelengths, λ of the violet light and the yellow-orange light are 404.7 nm and 578.2 nm respectively. What is the energy quantum, E for the violet light and the yellow-orange light?
Panjang gelombang, λ bagi warna ungu ialah 404.7 nm dan warna kuning jingga ialah 578.2 nm.
Berapakah kuantum tenaga, E masing-masing bagi warna ungu dan kuning jingga?
Ungu: 6.99 eV
Kuning-jingga: 4.89 eV
Ungu: 4.89 eV
Kuning-jingga: 6.99 eV
Ungu: 3.07 eV
Kuning-jingga: 2.15 eV
Ungu: 2.15 eV
Kuning-jingga: 3.07 eV
A particle is said to have wave-particle duality when that particle exhibits the properties of both _______ and _______
Suatu zarah dikatakan bersifat kedualan gelombang-zarah apabila zarah tersebut menunjukkan kedua-dua sifat _______ dan _______
Wave, Atom
Gelombang, Atom
Wave, Light
Gelombang, Cahaya
Electron, Particle
Elektron, Zarah
Wave, Particle
Gelombang, Zarah
What is the relationship between the momentum of a particle and wavelength?
Apakah hubungan diantara momentum zarah dan panjang gelombang?
Linearly increase
Meningkat secara linear
Constant
Malar
Directly proportional
Berkadar terus
Inversely proportional
Berkadar songsang
A 60 W lamp emits red light with a wavelength, l = 7.0 × 10–7 m. What is the number of photons emitted per second?
Sebuah lampu 60 W memancarkan cahaya merah dengan panjang gelombang, l = 7.0 × 10–7 m. Berapakah bilangan foton yang dipancarkan per saat?
1.90 x 1037s-1
4.74 x 10-21s-1
1.90 x 10-37s-1
4.74 x 1021s-1
"object emitting electromagnetic radiation which is determined by its temperature"
"objek yang memancarkan sinaran elektromagnet mengikut suhunya"
This is definition for
Ini adalah definisi bagi
black body
Jasad hitam
black body radiator
Pemancar jasad hitam
thermal radiation
sinaran termal
quantum wave
gelombang kuantum
What classical theory stated regrading this curve?
Apakah yang dinyatakan oleh teori klasik berkaitan lengkungan ini?
the higher the light's intensity, the higher the energy of the light.
Semakin tinggi keamatan cahaya, semakin tinggi tenaga cahaya itu
the higher the light's intensity, the lower the energy of the light.
Semakin tinggi keamatan cahaya, semakin rendah tenaga cahaya itu
the lower the light's intensity, the higher the energy of the light.
Semakin rendah keamatan cahaya, semakin tinggi tenaga cahaya
Which part of this graph against classical theory?
Bahahian graf yang manakah yang bertentangan dengan teori klasik?
left side of the graph
bahagian kiri graf
right side of the graph
bahagian kanan graf
at the peak of the graph
pada puncak graf
