Quantum Physics

Quiz
•
Physics
•
9th - 12th Grade
•
Medium
CLEARVIANA KPM-Guru
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah yang dimaksudkan dengan kesan fotoelektrik?
What is meant by the photoelectric effect?
Frekuensi maksimum pancaran yang ditujukan untuk melepaskan elektron dari permukaan logam
The maximum frequency ofthe incident radiation at releasing electrons from the metal surface
Apabila permukaan logam diterangi oleh pancaran cahaya pada frekuensi tertentu, elektron boleh dipancarkan daripada logam itu
When a metal surface is illuminated by a beam of light at a certain frequency, electrons can be emitted from the metal
Tenaga kinetik maksimum fotoelektron The maximum kinetic energy of a photoelectron
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimanakah tenaga foton berubah jika panjang gelombang cahaya dikurangkan?
How does the energy of a photon change if the wavelength of light is reduced?
Berkurang
Decreases
Tidak berubah
Stays the samе
Meningkat Increases
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mengapakahjasad hitam dikenali sebagai satu jasad unggul?
Why is the black body known as an ideal body?
Membenarkan sinaran yang masuk ke dalamnya dipantulkan berulang kali
Allowing rays that enter it to be reflected over and over again
Permukaannya berwarna gelap
The surface is dark
Mampu menyerap semua sinaran elektromagnet yang jatuh ke atasnya
Able to absorb all electromagnetic radiations that fall on it
Memancarkan sinaran pada pelbagai suhu
Emits radiation at various temperatures
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan Teori Kuantum Cahaya, cahaya ialah
Based on the Quantum Theory of Light, light is
cahaya ialah tenaga selanjar
light is a continuous energy
cahaya ialah suatu gelombang membujur
light is a longitudinal wave
tenaga cahaya berkadar songsang dengan panjang gelombang
light energy is inversely proportional to wavelength
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pemancaran fotoelektron berlaku apabila
The emission of photoelectrons occurs when
fungsi kerja logam meningkat
the work function of metal increases
keamatan cahaya bertambah
the intensity of light increases
panjang gelombang cahaya lebih pendek daripada panjang gelombang ambang logam the wavelength of light is shorter than the threshold wavelength of metal
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut, yang manakah merupakan aplikasi kesan fotoelektrik?
Which of the following are the applications of photoelectric effect?
Panel solar
Solar panels
Seterika elektrik
Electric iron
Loceng elektrik di sekolah Electric bell in school
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elektron mempunyai sifat kedualan gelombang-zarah.
Electrons have wave-particle duality.
Kenyataan ini disebabkan oleh elektron
This statement is due to electrons
merambat dengan kelajuan cahaya / travel at the speed of light
menunjukkan sifat zarah dan sifat gelombang / exhibit the properties of particles and waves
mempunyai dua gelombang berlainan / have two different waves
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