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When the air in a bell jar containing a ringing bell is removed the sound decreases. why?
When the air is removed from the bell jar, there is no medium for the sound waves to travel through, resulting in the decreased sound. Sound waves require a medium, such as air, to transmit vibrations. Without air in the bell jar, the sound waves cannot propagate as effectively, leading to a decrease in the sound.
Why a bell ringing inside a vacuum chamber cannot be heard?
Sound requires a medium to travel through, such as air, so in a vacuum chamber where there is no air (or any other medium), sound waves cannot propagate and therefore the bell ringing cannot be heard. Without the medium to transmit the sound vibrations, the sound waves from the ringing bell cannot reach our ears.
Why sound is produced when bell is struck with hammer?
When a bell is struck with a hammer, the impact causes the bell to vibrate. These vibrations travel through the air as sound waves, which reach our ears and are perceived as sound. The size, shape, and material of the bell affect the frequency and intensity of the sound produced.
What is a sound of a bell?
A bell produces a clear ringing sound when struck. The sound is created by the vibration of the bell material, which amplifies and resonates to produce the ringing tone.
Can sound waves transmit energy through empty space?
No, sound waves cannot transmit energy through empty space because they require a medium, such as air or water, to travel through. In the absence of a medium, sound waves cannot propagate and transmit energy.
