Electromagnetic Waves -Multiple Choice Questions Quiz

Interactive MCQs on “Electromagnetic Waves”:

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: Which of the following statements about electromagnetic waves is correct?

(a) They require a medium to travel through.
(b) They are mechanical waves.
(c) They can travel through a vacuum.
(d) They have only transverse motion.

Question 2: What is the relationship between the wavelength and frequency of an electromagnetic wave?

(a) They are directly proportional.
(b) They are inversely proportional.
(c) They are unrelated.
(d) It depends on the medium.

Question 3: Which of the following types of electromagnetic waves has the highest energy?

(a) Radio waves
(b) Microwaves
(c) Visible light
(d) Gamma rays

Question 4: The electromagnetic waves used in most remote control devices, such as for TVs and car keys, belong to which part of the electromagnetic spectrum?

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

Question 5: The speed of light in a vacuum is approximately:

(a) 3,000 meters per second (m/s)
(b) 30,000 meters per second (m/s)
(c) 300,000 meters per second (m/s)
(d) 3,000,000 meters per second (m/s)

Question 6: Which scientist is credited with formulating the wave theory of light and demonstrating that light is an electromagnetic wave?

(a) Isaac Newton
(b) James Clerk Maxwell
(c) Albert Einstein
(d) Thomas Young

Question 7: Which part of the electromagnetic spectrum is responsible for the heating effect of sunlight?

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

Question 8: The range of frequencies and wavelengths that are visible to the human eye is called:

(a) The ultraviolet spectrum
(b) The visible spectrum
(c) The radio spectrum
(d) The microwave spectrum

Question 9: Which of the following is a property of all electromagnetic waves?

(a) They require a medium for propagation.
(b) They have a fixed speed in all materials.
(c) They can be easily blocked by solid objects.
(d) They can be polarized.

Question 10: The electromagnetic waves used for communication, such as radio and television signals, belong to which part of the electromagnetic spectrum?

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