Electrons And Photons -Multiple Choice Questions Quiz

Interactive MCQs on “Electrons And Photons”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What are the fundamental particles that make up an atom's nucleus?

(a) Protons and neutrons
(b) Electrons and photons
(c) Electrons and protons
(d) Neutrons and photons

Question 2: What is the electric charge of an electron?

(a) Positive
(b) Neutral
(c) Negative
(d) It varies depending on the element

Question 3: Which type of electromagnetic radiation consists of discrete packets of energy called photons?

(a) Visible light
(b) X-rays
(c) Ultraviolet light
(d) Radio waves

Question 4: What is the main difference between electrons and photons?

(a) Photons are charged particles, while electrons are neutral.
(b) Electrons are particles, while photons are waves.
(c) Electrons have mass, while photons do not.
(d) Photons can exist only in a vacuum, while electrons cannot.

Question 5: Which phenomenon involves the emission of light by electrons when they return to lower energy levels after being excited to higher energy levels?

(a) Photoelectric effect
(b) Photon emission
(c) Fluorescence
(d) Thermionic emission

Question 6: In the context of light and electromagnetic radiation, what is the relationship between frequency and energy of photons?

(a) Higher frequency photons have lower energy.
(b) Lower frequency photons have higher energy.
(c) Frequency and energy are not related.
(d) Frequency and energy are directly proportional.

Question 7: Which of the following statements about the photoelectric effect is correct?

(a) Electrons gain energy from photons to escape from a material's surface.
(b) Photons are absorbed by electrons to form atoms.
(c) Electrons release photons when they collide with atoms.
(d) Photons lose energy when they interact with electrons.

Question 8: What happens to the energy of a photon if its wavelength increases?

(a) Energy decreases
(b) Energy remains unchanged
(c) Energy increases
(d) Energy fluctuates randomly

Question 9: Which type of electromagnetic radiation has the shortest wavelength?

(a) Infrared
(b) Ultraviolet
(c) Gamma rays
(d) X-rays

Question 10: Which property of electrons allows them to display both wave-like and particle-like behaviors?

(a) Charge
(b) Spin
(c) Mass
(d) Wave-particle duality