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Ramesh Jaiswal

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  1. Asked: March 16, 2024In: Class 9 Science

    How is sound received by our ears?

    Ramesh Jaiswal
    Added an answer on March 18, 2024 at 5:27 am

    Sound waves enter the outer ear and travel through the ear canal, causing the eardrum to vibrate. These vibrations are transmitted through the middle ear bones (ossicles) to the cochlea in the inner ear. Inside the cochlea, specialized hair cells convert the vibrations into electrical signals, whichRead more

    Sound waves enter the outer ear and travel through the ear canal, causing the eardrum to vibrate. These vibrations are transmitted through the middle ear bones (ossicles) to the cochlea in the inner ear. Inside the cochlea, specialized hair cells convert the vibrations into electrical signals, which are then sent via the auditory nerve to the brain, where they are interpreted as sound.

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  2. Asked: March 16, 2024In: Class 9 Science

    Explain the process of sound transmission through a medium.

    Ramesh Jaiswal
    Added an answer on March 18, 2024 at 5:27 am

    Sound transmission through a medium begins with a vibrating source, such as a speaker or vocal cords, which creates compressions and rarefactions in the medium's molecules. These pressure variations propagate outward in waves, transferring energy from particle to particle. As the waves travel, theyRead more

    Sound transmission through a medium begins with a vibrating source, such as a speaker or vocal cords, which creates compressions and rarefactions in the medium’s molecules. These pressure variations propagate outward in waves, transferring energy from particle to particle. As the waves travel, they eventually reach a receiver, such as the human ear, where the vibrations are detected and converted into electrical signals, allowing perception of sound.

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  3. Asked: March 16, 2024In: Class 9 Science

    What form of energy is used to produce sound?

    Ramesh Jaiswal
    Added an answer on March 18, 2024 at 5:27 am

    Sound is produced through the conversion of mechanical energy into acoustic energy. Vibrating objects, such as vocal cords or speaker diaphragms, generate mechanical disturbances in a medium, causing molecules to compress and rarefy, propagating as sound waves. Thus, mechanical energy initiates theRead more

    Sound is produced through the conversion of mechanical energy into acoustic energy. Vibrating objects, such as vocal cords or speaker diaphragms, generate mechanical disturbances in a medium, causing molecules to compress and rarefy, propagating as sound waves. Thus, mechanical energy initiates the process of sound production.

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  4. Asked: March 16, 2024In: Class 9 Science

    How does sound travel through a medium?

    Ramesh Jaiswal
    Added an answer on March 18, 2024 at 5:09 am

    Sound travels through a medium, such as air, by creating a series of compressions and rarefactions. When an object vibrates, it transfers energy to nearby particles, causing them to oscillate, transmitting the sound wave. These oscillations propagate outward, carrying the sound energy through the meRead more

    Sound travels through a medium, such as air, by creating a series of compressions and rarefactions. When an object vibrates, it transfers energy to nearby particles, causing them to oscillate, transmitting the sound wave. These oscillations propagate outward, carrying the sound energy through the medium.

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  5. Asked: March 16, 2024In: Class 9 Science

    Define the term medium in the context of sound transmission.

    Ramesh Jaiswal
    Added an answer on March 18, 2024 at 5:09 am

    In the context of sound transmission, a medium refers to any substance through which sound waves propagate, such as air, water, or solids. The medium's molecules interact by compressing and rarefying to transmit sound energy.

    In the context of sound transmission, a medium refers to any substance through which sound waves propagate, such as air, water, or solids. The medium’s molecules interact by compressing and rarefying to transmit sound energy.

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