Which of the following is a musical instrument that produces sound by vibrating strings?
The minimum distance between a source and a reflecting surface to hear an echo is:
Which of the following is required for the propagation of sound?
The ….............. receives the vibrations coming from the membrane and converts them into electrical signals which are sent to the brain through the nerve
An example of a mechanical wave is:
….... are used in sonography.
Sound waves with frequency greater than 20 kHz are called .
The distance between two consecutive compressions or rarefactions is called:
The unit of frequency is
The part of the ear responsible for maintaining balance is the:
SI unit of is Hertz (Hz).
Sound will not travel through .
The normal hearing range for humans is
The speed of sound in air is approximately:
Which type of wave does not require a medium for propagation?
In which medium does sound travel the fastest?
The number of vibrations per second is called:
Which of the following is not a characteristic of a sound wave?
The speed of sound is maximum in:
The loudness of a sound depends upon
The phenomenon of persistence of sound due to multiple reflections is called:
The part of the ear that amplifies sound vibrations is called the:
The velocity of sound is inversely proportional to the .
What type of wave is sound?
The phenomenon of the bending of sound waves around obstacles is known as:
The quality of sound that enables us to distinguish between two sounds of the same pitch and loudness is called:
The persistence of sound after the source has stopped is known as:
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