Sound Waves -Multiple Choice Questions Quiz

Interactive MCQs on “Sound 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: What type of waves are sound waves?

(a) Electromagnetic waves
(b) Transverse waves
(c) Mechanical waves
(d) Longitudinal waves

Question 2: What is the speed of sound in air at room temperature?

(a) 343 meters per second
(b) 300,000,000 meters per second
(c) 1500 meters per second
(d) 0 meters per second

Question 3: What is the frequency of a sound wave that completes 500 vibrations in one second?

(a) 250 Hz
(b) 500 Hz
(c) 1000 Hz
(d) 343 Hz

Question 4: What is the relationship between the frequency and wavelength of a sound wave?

(a) They are directly proportional.
(b) They are inversely proportional.
(c) There is no relationship between frequency and wavelength.
(d) They are proportional to the speed of sound.

Question 5: What happens to the pitch of a sound when its frequency increases?

(a) The pitch decreases.
(b) The pitch remains constant.
(c) The pitch increases.
(d) The pitch becomes inaudible.

Question 6: What is the amplitude of a sound wave?

(a) The speed at which the wave travels
(b) The loudness or volume of the sound
(c) The distance between two consecutive crests or troughs
(d) The time it takes for one complete vibration

Question 7: What is the threshold of hearing?

(a) The maximum volume a human can hear
(b) The minimum volume a human can hear
(c) The highest frequency a human can hear
(d) The lowest frequency a human can hear

Question 8: Which part of the ear is responsible for converting sound waves into electrical signals that the brain can interpret?

(a) Cochlea
(b) Pinna
(c) Eustachian tube
(d) Auditory nerve

Question 9: What is an echo?

(a) The interference of two sound waves
(b) The reflection of sound waves off a surface
(c) The bending of sound waves around obstacles
(d) The difference in loudness of two sound sources

Question 10: Why does sound travel faster in solids than in gases?

(a) Solids have more mass than gases.
(b) Solids have more particles than gases.
(c) Solids have higher temperatures than gases.
(d) Solids have a higher elasticity than gases.