MCQ on Sound. We covered all the MCQ on Sound in this post for free so that you can practice well for the exam.
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Mock Test on Sound for Students
The quality of a musical note depends on
(a) fundamental frequency.
(b) the amplitude of the wave.
(c) harmonics present.
(d) the velocity of sound in the medium.
Option b – the amplitude of the wave
One important characteristic of sound is ‘Pitch’, which depends upon
(a) intensity
(b) frequency
(c) quality
(d) amplitude
Option b – frequency
Which one of the following statements is not correct?
(a) The pitch of a sound is its characteristic by which we can generally differentiate between a male voice and a female voice.
(b) The loudness of sound is related to its frequency.
(c) A musical sound has certain well-defined frequencies, which are generally harmonics of a fundamental frequency.
(d) The timbre of a particular musical sound is related to the waveform of the sound wave.
Option b – The loudness of sound is related to its frequency
A human being cannot tolerate very loud sounds. What is the level of loudness which a human being can tolerate?
(a) 80 db
(b) 115 dB
(c) 100 dB
(d) 40 dB
Option a – 80 db
Which one of the following units is used for the measurement of noise pollution?
(a) Nanometer
(b) Decibel
(c) Hertz
(d) None of these
Option b – Decibel
Which of the following represents the decibel level of rustling of tree leaves in normal circumstances?
(a) 10 db
(b) 20 db
(c) 60 db
(d) 100 db
Option a – 10 db
Noise pollution is created if noise is in excess to
(a) 70-75 DB
(b) 50-60 DB
(c) 80-99 DB
(d) 40-65 DB
Option c – 80-99 DB
The quality or tone of a musical sound produced by a stringed instrument depends on
(a) the frequency of vibration.
(b) length of the strings in the instrument.
(c) amplitude of virbation.
(d) the waveform of the sound.
Option d – the waveform of the sound
An oscilloscope is an instrument that allows us to see waves produced by
(a) visible light
(b) X-rays
(c) sound
(d) gamma rays
Option c – sound
More density of the particles in the medium through which sound travels creates more ……… and vice versa.
(a) pressure
(b) energy
(c) power
(d) force
Option b – energy
The time period of a sound wave is 0.01 seconds. Find its frequency (in Hz).
(a) 100
(b) 10
(c) 50
(d) 20
Option a – 100
Which of the following statements is not correct regarding the travel of sound waves?
(a) Sound waves can travel through water.
(b) Sound waves can travel through the air.
(c) Sound waves can travel through steel.
(d) Sound waves can travel through a vacuum.
Option d – Sound waves can travel through a vacuum
The sensation of sound persists in the human brain for about
(a) 1 sec
(b) 0.2 sec
(c) 0.1 sec
(d) 0.5 sec
Option c – 0.1 sec
When sound waves are propagated through a medium, the physical quantity/quantities transmitted is/are
(a) matter only
(b) energy only
(d) energy, momentum, and matter
Option b – energy only
Consider the following statements. I. In sound waves, the vibrations are perpendicular to the direction in which the wave travels. II. Sound waves are elastic waves. Which of the statement(s) given above is/are correct?
(a) Only II
(b) Only I
(c) Both I and II
(d) Neither I nor II
Option a – Only II
Statement I Sound waves cannot propagate in a vacuum. Statement II Sound waves are elastic waves and require a medium to propagate. Codes
(a) Both statements are true and statement II is the correct explanation of statement I.
(b) Both statements are true, but statement II is not the correct explanation of statement I.
(c) Statement I is true, but statement II is false.
(d) Statement I is false, but statement II is true.
Option a – Both statements are true and statement II is the correct explanation of statement I
Statement I Sound waves can travel through a vacuum. Statement II Light is an electromagnetic wave and can travel through a vacuum. Codes
(a) Both statements are true and statement II is the correct explanation of statement I.
(b) Both statements are true, but statement II is not the correct explanation of statement I.
(c) Statement I is true, but statement II is false.
(d) Statement I is false, but statement II is true.
Option d – Statement I is false, but statement II is true
Decibel is the unit of
(a) speed of light
(b) intensity of heat
(c) intensity of sound
(d) quantum of mass
Option c – intensity of sound
Which of the following is the unit of the perceived loudness of sound?
(a) Decibel
(b) Sone
(c) Hertz
(d) Phon
Option a – Decibel
The loudness of sound depends upon the
(a) velocity of sound waves in the medium.
(b) the amplitude of the sound waves.
(c) frequency of the sound waves.
(d) frequency and velocity of the sound waves.
Option b – the amplitude of the sound waves
Which one of the following waves does not belong to the category of the other three?
(a) X-rays
(b) Microwaves
(c) Radiowaves
(d) Sound waves
Option d – Sound waves
Which term is not associated with sound waves? ( MCQ on Sound )
(a) Hertz
(b) Decibel
(c) Candela
(d) Mach
Option c – Candela
Which one of the following is not an electromagnetic wave? ( MCQ on Sound )
(a) Lightwave
(b) Radio wave
(c) Sound wave
(d) Microwave
Option c – Sound wave
We covered all the mcq on sound above in this post for free so that you can practice well for the exam.
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