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Free download in PDF Sound Multiple Choice Questions & Answers for competitive exams. These Sound Objective Questions with Answers are important for competitive exams like JEE, AIIMS, NEET etc.
(1)
Eardrum is a part of
[A]
Sound producing organ
[B]
Skeletal system
[C]
Hearing organ
[D]
Reproductive organ
(2)
Large amplitude of sound vibrations will produce:
[A]
Loud sound
[B]
Meak sound
[C]
Slow sound
[D]
Shreak
(3)
Sound propagates maximum in
[A]
Gas
[B]
Liquid
[C]
Solid
[D]
All
(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
(6)
Sound is produced due to
[A]
friction
[B]
circulation
[C]
vibration
[D]
refraction
(7)
Sound is slowest in
[A]
Air
[B]
Liquid
[C]
Solid
[D]
Vacuum
(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
(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
(12)
The pitch of sound depends on
[A]
frequency
[B]
amplitude
[C]
both of these
[D]
none of these
(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
(15)
To an fro motion of an object is called
[A]
Waves
[B]
Amplitude
[C]
Vibration
[D]
All of the above
(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
(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
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