Quantum Physics

Quantum Physics

9th - 12th Grade

15 Qs

quiz-placeholder

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Quantum Physics

Quantum Physics

Assessment

Quiz

Physics

9th - 12th Grade

Medium

Created by

CLEARVIANA KPM-Guru

Used 1+ times

FREE Resource

15 questions

Show all answers

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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