Sound MCQs | Sound Multiple Choice Questions with Answers

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Questions
1 Eardrum is a part of
A Sound producing organ
B Skeletal system
C Hearing organ
D Reproductive organ

Answer: Hearing organ
2 Large amplitude of sound vibrations will produce:
A Loud sound
B Meak sound
C Slow sound
D Shreak

Answer: Loud sound
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3 Sound propagates maximum in
A Gas
B Liquid
C Solid
D All

Answer: Solid
4 What will be the effect of temperature on speed of sound?
A The speed of sound decreases with the increases of temperature of the medium
B The speed of sound decreases with the decrease of temperature of the medium
C The speed of sound increases with the decrease of temperature of the medium
D The speed of sound increases with the increase of temperature of the medium

Answer: The speed of sound increases with the increase of temperature of the medium
5 When a motor boat in a sea travels faster than sound, then waves just like shock-waves are produced on the surface of water. These waves are called ..............
A Shock waves
B Doppler’s waves
C Refracted waves
D Bow waves

Answer: Bow waves
6 Sound is produced due to
A friction
B circulation
C vibration
D refraction

Answer: vibration
7 Sound is slowest in
A Air
B Liquid
C Solid
D Vacuum

Answer: Air
8 Compressions and rarefactions are due to
A movement if air molecules
B vibration of air molecules
C variability of air pressure
D variability of vibration of air molecules

Answer: variability of air pressure
9 Sound waves travel at
A same speed in different mediums
B different speed in same mediums
C different speed in different mediums
D highest speed in vacuum

Answer: different speed in different mediums
10 Sound passes from one place to another in form of
A rays
B waves
C energy
D light

Answer: waves
11 What is Intensity of Sound?
A It is inversely proportional to the square of the distance of point from the source
B It is directly proportional to the square of amplitude of vibration, square of frequency and density of the medium
C Both A and B
D Neither A nor B

Answer: Both A and B
12 The pitch of sound depends on
A frequency
B amplitude
C both of these
D none of these

Answer: frequency
13 The hearing range of human ear is
A 20 Hz to 20,000 Hz
B Less than20 Hz
C More than 20,000 Hz
D 20 Hz to 25,000 Hz

Answer: 20 Hz to 20,000 Hz
14 Sound is kind of
A Work
B Energy
C Force
D None

Answer: Energy
15 To an fro motion of an object is called
A Waves
B Amplitude
C Vibration
D All of the above

Answer: Vibration
16 What type of waves are Sound Waves?
A Latitudinal waves
B Longitudinal waves
C Latitudinal mechanical waves
D Longitudinal waves

Answer: Longitudinal waves
17 Due to which phenomena sound is heard at longer distances in nights than in day?
A Reflection
B Refraction
C Interference of sound
D Diffraction of sound

Answer: Refraction
18 Which of the following statement is or are correct about longitudinal mechanical waves?
A The longitudinal mechanical waves which lie in the frequency range 20 Hz to 20000 Hz are called audible or sound waves
B The longitudinal mechanical waves having frequencies less than 20 Hz are called infrasonic
C The longitudinal mechanical waves having frequencies greater than 20,000 Hz are called ultrasonic waves
D All of the above are correct

Answer: All of the above are correct
19 Sound waves have
A Amplitude only
B Frequency and wavelength only
C Amplitude, frequency and wavelength
D Amplitude and wavelength only

Answer: Amplitude, frequency and wavelength
20 Sound is a
A form of power
B form of energy
C form of transverse waves
D form of latitudinal waves

Answer: form of energy

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