One of the three things that affects the sound produced by vibration of string is
One example of string instrument is
The speed of sound in glass is
The microphone changes the sound waves into
Sounds are chiefly produced by
The distance between two points of a wave in a phase is known as
An example to demonstrate the effect of sound in vacuum is
Percussion instruments produce notes when they are
Large concert halls have modified roofs which
Ships send a small
High frequency means
Sounds of birds and animals are
Compared to drum, the vibration of a whistle is
The part of sound wave where air pressure is greater, is known as
When sound travels, it
Musical instruments are so designed that they could produce
A strong beam of ultrasound can melt even a
Sound can travel through air because
Some fishing boats use echo to
Most of the sounds around world are
X-rays are only reflected by
Measure of decibel starts from
The mixture of high and low sounds is called a
As compare to humans, bats can hear sounds only with
Echoes are formed when sound
The use of echo to measure distance is known as
In a flute, the length of air cutting through the holes is changed by
Singing and talking are the
In one wavelength, wave passes through
If frequency is high, the peak of the waves would be
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