MULTIPLE CHOICE QUESTIONS ON PHYSICS OF SOUND IN AUDIOLOGY MCQs – MCQS WITH ANSWER FOR AUDIOLOGIST – PRACTICE QUIZ FOR ENT – AUDIOMETRY MCQS AND HEARING IMPAIRMENT MCQS
MCQ FOR PHYSICS OF SOUND IN AUDIOLOGY MCQs FOR AUDIOLOGIST
These mcqs are prepared exclusively for audiologist and audiometry technician for exam preparation. MCQ is helpful to remember the concept on physics of sound in audiology in audiology. This multiple choice questions are helpful for preparation for DHA, PROMETRIC, MOH, HAAD, EXAMINATION
What is the unit of measurement for sound frequency?
A) Decibel (dB)
B) Hertz (Hz)
C) Pascal (Pa)
D) Watt (W)
What is the range of frequencies that the average human ear can hear?
A) 20 to 20,000 Hz
B) 20 to 2,000 Hz
C) 200 to 20,000 Hz
D) 200 to 2,000 Hz
What does the decibel (dB) scale measure?
A) Sound frequency
B) Sound pressure level
C) Sound wavelength
D) Sound velocity
Which of the following describes the phenomenon where two sound waves of the same frequency and phase combine to produce a louder sound?
A) Destructive interference
B) Constructive interference
C) Resonance
D) Diffraction
What is the speed of sound in air at room temperature (approximately 20°C or 68°F)?
A) 343 meters per second (m/s)
B) 300 meters per second (m/s)
C) 1500 meters per second (m/s)
D) 1200 meters per second (m/s)
What term describes the number of vibrations or cycles per second of a sound wave?
A) Amplitude
B) Frequency
C) Wavelength
D) Intensity
Which part of the ear primarily helps to amplify sound through mechanical leverage?
A) Tympanic membrane
B) Cochlea
C) Ossicles
D) Semicircular canals
What effect describes the change in frequency or pitch of a sound heard by an observer due to the motion of the sound source or observer?
A) Doppler effect
B) Resonance
C) Echo
D) Attenuation
Which property of a sound wave is perceived as pitch by the human ear?
A) Amplitude
B) Frequency
C) Wavelength
D) Speed
What is the term for the distance between two successive compressions or rarefactions in a sound wave?
A) Amplitude
B) Frequency
C) Wavelength
D) Intensity
Answers:
B) Hertz (Hz)
A) 20 to 20,000 Hz
B) Sound pressure level
B) Constructive interference
A) 343 meters per second (m/s)
B) Frequency
C) Ossicles
A) Doppler effect
B) Frequency
C) Wavelength