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